BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Lyra Ventures LLC//FilingDates public calendars//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
NAME:Massachusetts business filing dates\, 2027 (FilingDates)
X-WR-CALNAME:Massachusetts business filing dates\, 2027 (FilingDates)
DESCRIPTION:Massachusetts business filing dates\, 2027. Each event links th
 e official source it was computed from. Obligations without a verified sou
 rce are not in this feed\; the web page lists them as unsupported. A remin
 der only: confirm with the source before filing.
X-WR-CALDESC:Massachusetts business filing dates\, 2027. Each event links t
 he official source it was computed from. Obligations without a verified so
 urce are not in this feed\; the web page lists them as unsupported. A remi
 nder only: confirm with the source before filing.
REFRESH-INTERVAL;VALUE=DURATION:P1D
X-PUBLISHED-TTL:P1D
BEGIN:VEVENT
UID:ma:MA-ui-quarterly:2026-10-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270131
DTEND;VALUE=DATE:20270201
SUMMARY:Massachusetts: Employment and wage detail report — Wage detail re
 port
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Massa
 chusetts unemployment-insurance filer files its employment and wage detail
  report by 3 p.m. on April 30\, July 31\, October 31 and January 31. The s
 ource states no weekend rule\, so the stated date is shown.\nDue rule: Wag
 e detail report: last day of the month after the quarter ends\nFalls on a 
 Sunday\; the source states no weekend rule.\nSource: https://www.mass.gov/
 how-to/submit-employment-and-wage-detail-report (retrieved 2026-09-23)\nA 
 reminder only: confirm with the source before filing. You file\; this cale
 ndar reminds.
URL;VALUE=URI:https://www.mass.gov/how-to/submit-employment-and-wage-detail
 -report
CATEGORIES:Massachusetts,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Employment and wage detail report — Wage detai
 l report
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Employment and wage detail report — Wage detai
 l report
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2026-01-01:0:annual@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (annual wi
 thholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941: January 31 of the
  year after the calendar year ends\nStated date 2027-01-31\, moved to the 
 next business day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislatu
 re.gov/Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026
 -09-26)\nState legal holidays are not compiled: if this date is a state ho
 liday\, the deadline moves to the next business day.\nSource: https://www.
 mass.gov/info-details/massachusetts-withholding-tax-guide (retrieved 2026-
 09-23)\nA reminder only: confirm with the source before filing. You file\;
  this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (annua
 l withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (annua
 l withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2026-10-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (quarterly
  withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941: last day of the m
 onth after the quarter ends\nStated date 2027-01-31\, moved to the next bu
 siness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/
 Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)
 \nState legal holidays are not compiled: if this date is a state holiday\,
  the deadline moves to the next business day.\nSource: https://www.mass.go
 v/info-details/massachusetts-withholding-tax-guide (retrieved 2026-09-23)\
 nA reminder only: confirm with the source before filing. You file\; this c
 alendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (quart
 erly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (quart
 erly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2026-10-01:2:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (3rd month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nStated date 2027-01-31\, moved to the next busi
 ness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/La
 ws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)\n
 State legal holidays are not compiled: if this date is a state holiday\, t
 he deadline moves to the next business day.\nSource: https://www.mass.gov/
 info-details/massachusetts-withholding-tax-guide (retrieved 2026-09-23)\nA
  reminder only: confirm with the source before filing. You file\; this cal
 endar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (3rd m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (3rd m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2026-01-01:0:annual@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (annual fil
 er)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the calendar year ends\nStated date 2027-01-30\, moved to the
  next business day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislat
 ure.gov/Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 202
 6-09-26)\nState legal holidays are not compiled: if this date is a state h
 oliday\, the deadline moves to the next business day.\nSource: https://www
 .mass.gov/guides/sales-and-use-tax (retrieved 2026-09-23)\nA reminder only
 : confirm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (annual
  filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (annual
  filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2026-10-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarterly 
 filer)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the quarter ends\nStated date 2027-01-30\, moved to the next 
 business day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.go
 v/Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-2
 6)\nState legal holidays are not compiled: if this date is a state holiday
 \, the deadline moves to the next business day.\nSource: https://www.mass.
 gov/guides/sales-and-use-tax (retrieved 2026-09-23)\nA reminder only: conf
 irm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarte
 rly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarte
 rly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2026-12-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nStated date 2027-01-30\, moved to the next bu
 siness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/
 Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)
 \nState legal holidays are not compiled: if this date is a state holiday\,
  the deadline moves to the next business day.\nSource: https://www.mass.go
 v/guides/sales-and-use-tax (retrieved 2026-09-23)\nA reminder only: confir
 m with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-01-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270216
DTEND;VALUE=DATE:20270217
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (1st month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nStated date 2027-02-15\, moved to the next busi
 ness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/La
 ws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)\n
 State legal holidays are not compiled: if this date is a state holiday\, t
 he deadline moves to the next business day.\nSource: https://www.mass.gov/
 info-details/massachusetts-withholding-tax-guide (retrieved 2026-09-23)\nA
  reminder only: confirm with the source before filing. You file\; this cal
 endar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (1st m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (1st m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-01-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270302
DTEND;VALUE=DATE:20270303
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-01-01:1:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270315
DTEND;VALUE=DATE:20270316
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (2nd month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nState legal holidays are not compiled: if this 
 date is a state holiday\, the deadline moves to the next business day.\nSo
 urce: https://www.mass.gov/info-details/massachusetts-withholding-tax-guid
 e (retrieved 2026-09-23)\nA reminder only: confirm with the source before 
 filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (2nd m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (2nd m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-corp-annual-report:2026-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270315
DTEND;VALUE=DATE:20270316
SUMMARY:Massachusetts: Corporation annual report — Annual report (calenda
 r-year corporation)
DESCRIPTION:Applies to: A corporation the preparer attests is authorized to
  do business in Massachusetts (formed there or registered with the Corpora
 tions Division) files its annual report within two and one half months aft
 er its fiscal year ends — the 15th day of the 3rd month\, read from the 
 profile's fiscal year-end. The source states no weekend rule\, so the stat
 ed date is shown.\nDue rule: Annual report: 15th day of the 3rd month afte
 r the tax year ends\nSource: https://www.sec.state.ma.us/divisions/corpora
 tions/filing-by-subject/corporations/corporations-domestic.htm (retrieved 
 2026-09-23)\nA reminder only: confirm with the source before filing. You f
 ile\; this calendar reminds.
URL;VALUE=URI:https://www.sec.state.ma.us/divisions/corporations/filing-by-
 subject/corporations/corporations-domestic.htm
CATEGORIES:Massachusetts,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Corporation annual report — Annual report (cal
 endar-year corporation)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Corporation annual report — Annual report (cal
 endar-year corporation)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-02-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270330
DTEND;VALUE=DATE:20270331
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-01-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (quarterly
  withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941: last day of the m
 onth after the quarter ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/info-details/massachusetts-withholding-tax-gu
 ide (retrieved 2026-09-23)\nA reminder only: confirm with the source befor
 e filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (quart
 erly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (quart
 erly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-01-01:2:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (3rd month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nState legal holidays are not compiled: if this 
 date is a state holiday\, the deadline moves to the next business day.\nSo
 urce: https://www.mass.gov/info-details/massachusetts-withholding-tax-guid
 e (retrieved 2026-09-23)\nA reminder only: confirm with the source before 
 filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (3rd m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (3rd m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-01-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarterly 
 filer)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the quarter ends\nState legal holidays are not compiled: if t
 his date is a state holiday\, the deadline moves to the next business day.
 \nSource: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09
 -23)\nA reminder only: confirm with the source before filing. You file\; t
 his calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarte
 rly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarte
 rly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-03-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ui-quarterly:2027-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Massachusetts: Employment and wage detail report — Wage detail re
 port
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Massa
 chusetts unemployment-insurance filer files its employment and wage detail
  report by 3 p.m. on April 30\, July 31\, October 31 and January 31. The s
 ource states no weekend rule\, so the stated date is shown.\nDue rule: Wag
 e detail report: last day of the month after the quarter ends\nSource: htt
 ps://www.mass.gov/how-to/submit-employment-and-wage-detail-report (retriev
 ed 2026-09-23)\nA reminder only: confirm with the source before filing. Yo
 u file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/how-to/submit-employment-and-wage-detail
 -report
CATEGORIES:Massachusetts,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Employment and wage detail report — Wage detai
 l report
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Employment and wage detail report — Wage detai
 l report
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-04-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270517
DTEND;VALUE=DATE:20270518
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (1st month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nStated date 2027-05-15\, moved to the next busi
 ness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/La
 ws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)\n
 State legal holidays are not compiled: if this date is a state holiday\, t
 he deadline moves to the next business day.\nSource: https://www.mass.gov/
 info-details/massachusetts-withholding-tax-guide (retrieved 2026-09-23)\nA
  reminder only: confirm with the source before filing. You file\; this cal
 endar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (1st m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (1st m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-04-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270601
DTEND;VALUE=DATE:20270602
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nStated date 2027-05-30\, moved to the next bu
 siness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/
 Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)
 \nState legal holidays are not compiled: if this date is a state holiday\,
  the deadline moves to the next business day.\nSource: https://www.mass.go
 v/guides/sales-and-use-tax (retrieved 2026-09-23)\nA reminder only: confir
 m with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-04-01:1:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270615
DTEND;VALUE=DATE:20270616
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (2nd month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nState legal holidays are not compiled: if this 
 date is a state holiday\, the deadline moves to the next business day.\nSo
 urce: https://www.mass.gov/info-details/massachusetts-withholding-tax-guid
 e (retrieved 2026-09-23)\nA reminder only: confirm with the source before 
 filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (2nd m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (2nd m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-05-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270630
DTEND;VALUE=DATE:20270701
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-04-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270730
DTEND;VALUE=DATE:20270731
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarterly 
 filer)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the quarter ends\nState legal holidays are not compiled: if t
 his date is a state holiday\, the deadline moves to the next business day.
 \nSource: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09
 -23)\nA reminder only: confirm with the source before filing. You file\; t
 his calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarte
 rly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarte
 rly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-06-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270730
DTEND;VALUE=DATE:20270731
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ui-quarterly:2027-04-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270731
DTEND;VALUE=DATE:20270801
SUMMARY:Massachusetts: Employment and wage detail report — Wage detail re
 port
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Massa
 chusetts unemployment-insurance filer files its employment and wage detail
  report by 3 p.m. on April 30\, July 31\, October 31 and January 31. The s
 ource states no weekend rule\, so the stated date is shown.\nDue rule: Wag
 e detail report: last day of the month after the quarter ends\nFalls on a 
 Saturday\; the source states no weekend rule.\nSource: https://www.mass.go
 v/how-to/submit-employment-and-wage-detail-report (retrieved 2026-09-23)\n
 A reminder only: confirm with the source before filing. You file\; this ca
 lendar reminds.
URL;VALUE=URI:https://www.mass.gov/how-to/submit-employment-and-wage-detail
 -report
CATEGORIES:Massachusetts,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Employment and wage detail report — Wage detai
 l report
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Employment and wage detail report — Wage detai
 l report
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-04-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270802
DTEND;VALUE=DATE:20270803
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (quarterly
  withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941: last day of the m
 onth after the quarter ends\nStated date 2027-07-31\, moved to the next bu
 siness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/
 Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)
 \nState legal holidays are not compiled: if this date is a state holiday\,
  the deadline moves to the next business day.\nSource: https://www.mass.go
 v/info-details/massachusetts-withholding-tax-guide (retrieved 2026-09-23)\
 nA reminder only: confirm with the source before filing. You file\; this c
 alendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (quart
 erly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (quart
 erly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-04-01:2:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270802
DTEND;VALUE=DATE:20270803
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (3rd month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nStated date 2027-07-31\, moved to the next busi
 ness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/La
 ws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)\n
 State legal holidays are not compiled: if this date is a state holiday\, t
 he deadline moves to the next business day.\nSource: https://www.mass.gov/
 info-details/massachusetts-withholding-tax-guide (retrieved 2026-09-23)\nA
  reminder only: confirm with the source before filing. You file\; this cal
 endar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (3rd m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (3rd m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-07-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270816
DTEND;VALUE=DATE:20270817
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (1st month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nStated date 2027-08-15\, moved to the next busi
 ness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/La
 ws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)\n
 State legal holidays are not compiled: if this date is a state holiday\, t
 he deadline moves to the next business day.\nSource: https://www.mass.gov/
 info-details/massachusetts-withholding-tax-guide (retrieved 2026-09-23)\nA
  reminder only: confirm with the source before filing. You file\; this cal
 endar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (1st m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (1st m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-07-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270830
DTEND;VALUE=DATE:20270831
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-07-01:1:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270915
DTEND;VALUE=DATE:20270916
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (2nd month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nState legal holidays are not compiled: if this 
 date is a state holiday\, the deadline moves to the next business day.\nSo
 urce: https://www.mass.gov/info-details/massachusetts-withholding-tax-guid
 e (retrieved 2026-09-23)\nA reminder only: confirm with the source before 
 filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (2nd m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (2nd m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-08-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270930
DTEND;VALUE=DATE:20271001
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ui-quarterly:2027-07-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271031
DTEND;VALUE=DATE:20271101
SUMMARY:Massachusetts: Employment and wage detail report — Wage detail re
 port
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Massa
 chusetts unemployment-insurance filer files its employment and wage detail
  report by 3 p.m. on April 30\, July 31\, October 31 and January 31. The s
 ource states no weekend rule\, so the stated date is shown.\nDue rule: Wag
 e detail report: last day of the month after the quarter ends\nFalls on a 
 Sunday\; the source states no weekend rule.\nSource: https://www.mass.gov/
 how-to/submit-employment-and-wage-detail-report (retrieved 2026-09-23)\nA 
 reminder only: confirm with the source before filing. You file\; this cale
 ndar reminds.
URL;VALUE=URI:https://www.mass.gov/how-to/submit-employment-and-wage-detail
 -report
CATEGORIES:Massachusetts,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Employment and wage detail report — Wage detai
 l report
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Employment and wage detail report — Wage detai
 l report
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-07-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271101
DTEND;VALUE=DATE:20271102
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (quarterly
  withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941: last day of the m
 onth after the quarter ends\nStated date 2027-10-31\, moved to the next bu
 siness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/
 Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)
 \nState legal holidays are not compiled: if this date is a state holiday\,
  the deadline moves to the next business day.\nSource: https://www.mass.go
 v/info-details/massachusetts-withholding-tax-guide (retrieved 2026-09-23)\
 nA reminder only: confirm with the source before filing. You file\; this c
 alendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (quart
 erly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (quart
 erly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-07-01:2:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271101
DTEND;VALUE=DATE:20271102
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (3rd month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nStated date 2027-10-31\, moved to the next busi
 ness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/La
 ws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)\n
 State legal holidays are not compiled: if this date is a state holiday\, t
 he deadline moves to the next business day.\nSource: https://www.mass.gov/
 info-details/massachusetts-withholding-tax-guide (retrieved 2026-09-23)\nA
  reminder only: confirm with the source before filing. You file\; this cal
 endar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (3rd m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (3rd m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-07-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271101
DTEND;VALUE=DATE:20271102
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarterly 
 filer)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the quarter ends\nStated date 2027-10-30\, moved to the next 
 business day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.go
 v/Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-2
 6)\nState legal holidays are not compiled: if this date is a state holiday
 \, the deadline moves to the next business day.\nSource: https://www.mass.
 gov/guides/sales-and-use-tax (retrieved 2026-09-23)\nA reminder only: conf
 irm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarte
 rly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (quarte
 rly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-09-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271101
DTEND;VALUE=DATE:20271102
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nStated date 2027-10-30\, moved to the next bu
 siness day.\nHoliday rule: M.G.L. c.30 §24 — https://malegislature.gov/
 Laws/GeneralLaws/PartI/TitleIII/Chapter30/Section24 (retrieved 2026-09-26)
 \nState legal holidays are not compiled: if this date is a state holiday\,
  the deadline moves to the next business day.\nSource: https://www.mass.go
 v/guides/sales-and-use-tax (retrieved 2026-09-23)\nA reminder only: confir
 m with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-10-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271115
DTEND;VALUE=DATE:20271116
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (1st month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nState legal holidays are not compiled: if this 
 date is a state holiday\, the deadline moves to the next business day.\nSo
 urce: https://www.mass.gov/info-details/massachusetts-withholding-tax-guid
 e (retrieved 2026-09-23)\nA reminder only: confirm with the source before 
 filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (1st m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (1st m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-10-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271130
DTEND;VALUE=DATE:20271201
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-M-941:2027-10-01:1:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271215
DTEND;VALUE=DATE:20271216
SUMMARY:Massachusetts: Withholding return (M-941) — Form M-941 (2nd month
 ) (monthly withholding filer)
DESCRIPTION:Applies to: For an employer the preparer attests withholds Mass
 achusetts income tax\, by the filing frequency it declares: $100 or less a
  year\, annually by January 31\; $101 to $1\,200\, quarterly by April 30\,
  July 31\, October 31 and January 31\; $1\,201 to $25\,000\, monthly by th
 e 15th of the next month except March\, June\, September and December\, wh
 ich are due the last day of the next month. Larger employers (quarter-mont
 hly payments) are not dated here.\nDue rule: Form M-941 (1st month): 15th 
 day of the 2nd month of the quarter\; Form M-941 (2nd month): 15th day of 
 the 3rd month of the quarter\; Form M-941 (3rd month): last day of the mon
 th after the quarter ends\nState legal holidays are not compiled: if this 
 date is a state holiday\, the deadline moves to the next business day.\nSo
 urce: https://www.mass.gov/info-details/massachusetts-withholding-tax-guid
 e (retrieved 2026-09-23)\nA reminder only: confirm with the source before 
 filing. You file\; this calendar reminds.
URL;VALUE=URI:https://www.mass.gov/info-details/massachusetts-withholding-t
 ax-guide
CATEGORIES:Massachusetts,withholding
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (2nd m
 onth) (monthly withholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Withholding return (M-941) — Form M-941 (2nd m
 onth) (monthly withholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ma:MA-ST-9:2027-11-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271230
DTEND;VALUE=DATE:20271231
SUMMARY:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthly fi
 ler)
DESCRIPTION:Applies to: By sales and use tax collected per year: $100 or le
 ss annually\; $101 to $1\,200 quarterly\; $1\,201 or more monthly. Each re
 turn is due on or before the 30th day after the period.\nDue rule: ST-9: 3
 0 days after the month ends\nState legal holidays are not compiled: if thi
 s date is a state holiday\, the deadline moves to the next business day.\n
 Source: https://www.mass.gov/guides/sales-and-use-tax (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://www.mass.gov/guides/sales-and-use-tax
CATEGORIES:Massachusetts,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Massachusetts: Sales and use tax return (ST-9) — ST-9 (monthl
 y filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
END:VCALENDAR