BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Lyra Ventures LLC//FilingDates public calendars//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
NAME:Idaho business filing dates\, 2027 (FilingDates)
X-WR-CALNAME:Idaho business filing dates\, 2027 (FilingDates)
DESCRIPTION:Idaho business filing dates\, 2027. Each event links the offici
 al source it was computed from. Obligations without a verified source are 
 not in this feed\; the web page lists them as unsupported. A reminder only
 : confirm with the source before filing.
X-WR-CALDESC:Idaho business filing dates\, 2027. Each event links the offic
 ial source it was computed from. Obligations without a verified source are
  not in this feed\; the web page lists them as unsupported. A reminder onl
 y: confirm with the source before filing.
REFRESH-INTERVAL;VALUE=DURATION:P1D
X-PUBLISHED-TTL:P1D
BEGIN:VEVENT
UID:id:ID-910:2026-12-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270120
DTEND;VALUE=DATE:20270121
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nState legal holidays ar
 e not compiled: if this date is a state holiday\, the deadline moves to th
 e next business day.\nSource: https://tax.idaho.gov/taxes/income-tax/withh
 olding/withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: con
 firm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales-periodic:2026-01-01:0:annual@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270120
DTEND;VALUE=DATE:20270121
SUMMARY:Idaho: Sales and use tax return (Form 850)\, quarterly\, semiannual
  or annual — Form 850 (annual filer)
DESCRIPTION:Applies to: Retailers owing less than $750 a quarter pay within
  20 days after the quarter\; semiannual filers by July 20 and January 20\;
  annual filers by January 20. The source states a weekend rule only for mo
 nthly filers\, so these dates are shown as stated.\nDue rule: Form 850: 20
 th day of the month after the calendar year ends\nSource: https://tax.idah
 o.gov/taxes/sales-use/stfiling/ (retrieved 2026-09-23)\nA reminder only: c
 onfirm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (annual filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (annual filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales-periodic:2026-01-01:1:semiannual@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270120
DTEND;VALUE=DATE:20270121
SUMMARY:Idaho: Sales and use tax return (Form 850)\, quarterly\, semiannual
  or annual — Form 850 (July–December) (semiannual filer)
DESCRIPTION:Applies to: Retailers owing less than $750 a quarter pay within
  20 days after the quarter\; semiannual filers by July 20 and January 20\;
  annual filers by January 20. The source states a weekend rule only for mo
 nthly filers\, so these dates are shown as stated.\nDue rule: Form 850 (Ja
 nuary–June): July 20 of the year the calendar year begins\; Form 850 (Ju
 ly–December): January 20 of the year after the calendar year begins\nSou
 rce: https://tax.idaho.gov/taxes/sales-use/stfiling/ (retrieved 2026-09-23
 )\nA reminder only: confirm with the source before filing. You file\; this
  calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (July–December) (semiannual filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (July–December) (semiannual filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales-periodic:2026-10-01:0:quarterly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270120
DTEND;VALUE=DATE:20270121
SUMMARY:Idaho: Sales and use tax return (Form 850)\, quarterly\, semiannual
  or annual — Form 850 (quarterly filer)
DESCRIPTION:Applies to: Retailers owing less than $750 a quarter pay within
  20 days after the quarter\; semiannual filers by July 20 and January 20\;
  annual filers by January 20. The source states a weekend rule only for mo
 nthly filers\, so these dates are shown as stated.\nDue rule: Form 850: 20
  days after the quarter ends\nSource: https://tax.idaho.gov/taxes/sales-us
 e/stfiling/ (retrieved 2026-09-23)\nA reminder only: confirm with the sour
 ce before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (quarterly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (quarterly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2026-12-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270120
DTEND;VALUE=DATE:20270121
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nState legal holidays are not c
 ompiled: if this date is a state holiday\, the deadline moves to the next 
 business day.\nSource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (re
 trieved 2026-09-23)\nA reminder only: confirm with the source before filin
 g. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2026-01-01:0:annual@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (annual withholdin
 g filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: January 31 of the year after the calendar year ends\nStated date 20
 27-01-31\, moved to the next business day.\nState legal holidays are not c
 ompiled: if this date is a state holiday\, the deadline moves to the next 
 business day.\nSource: https://tax.idaho.gov/taxes/income-tax/withholding/
 withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: confirm wi
 th the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (annual withho
 lding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (annual withho
 lding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2026-10-01:0:quarterly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (quarterly withhol
 ding filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: last day of the month after the quarter ends\nStated date 2027-01-3
 1\, moved to the next business day.\nState legal holidays are not compiled
 : if this date is a state holiday\, the deadline moves to the next busines
 s day.\nSource: https://tax.idaho.gov/taxes/income-tax/withholding/withhol
 ding-due-dates/ (retrieved 2026-09-23)\nA reminder only: confirm with the 
 source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (quarterly wit
 hholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (quarterly wit
 hholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-967-W-2:2026-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Idaho: Form 967 reconciliation and W-2s — Form 967 and W-2s
DESCRIPTION:Applies to: An employer the preparer attests withholds Idaho in
 come tax files the Form 967 annual reconciliation and W-2s by the last day
  of January. A weekend or state-holiday date moves to the next business da
 y.\nDue rule: Form 967 and W-2s: January 31 of the year after the calendar
  year ends\nStated date 2027-01-31\, moved to the next business day.\nStat
 e legal holidays are not compiled: if this date is a state holiday\, the d
 eadline moves to the next business day.\nSource: https://tax.idaho.gov/tax
 es/income-tax/withholding/withholding-filing/filing-information-returns-10
 99s-w-2s/ (retrieved 2026-09-23)\nA reminder only: confirm with the source
  before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-filing/filing-information-returns-1099s-w-2s/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 967 reconciliation and W-2s — Form 967 and W-2s
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 967 reconciliation and W-2s — Form 967 and W-2s
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-01-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270222
DTEND;VALUE=DATE:20270223
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nStated date 2027-02-20\
 , moved to the next business day.\nState legal holidays are not compiled: 
 if this date is a state holiday\, the deadline moves to the next business 
 day.\nSource: https://tax.idaho.gov/taxes/income-tax/withholding/withholdi
 ng-due-dates/ (retrieved 2026-09-23)\nA reminder only: confirm with the so
 urce before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-01-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270222
DTEND;VALUE=DATE:20270223
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nStated date 2027-02-20\, moved
  to the next business day.\nState legal holidays are not compiled: if this
  date is a state holiday\, the deadline moves to the next business day.\nS
 ource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (retrieved 2026-09-
 23)\nA reminder only: confirm with the source before filing. You file\; th
 is calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-02-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270322
DTEND;VALUE=DATE:20270323
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nStated date 2027-03-20\
 , moved to the next business day.\nState legal holidays are not compiled: 
 if this date is a state holiday\, the deadline moves to the next business 
 day.\nSource: https://tax.idaho.gov/taxes/income-tax/withholding/withholdi
 ng-due-dates/ (retrieved 2026-09-23)\nA reminder only: confirm with the so
 urce before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-02-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270322
DTEND;VALUE=DATE:20270323
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nStated date 2027-03-20\, moved
  to the next business day.\nState legal holidays are not compiled: if this
  date is a state holiday\, the deadline moves to the next business day.\nS
 ource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (retrieved 2026-09-
 23)\nA reminder only: confirm with the source before filing. You file\; th
 is calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-corp-return:2026-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270415
DTEND;VALUE=DATE:20270416
SUMMARY:Idaho: Corporation income tax return (Form 41) — Form 41 (calenda
 r-year C corporation)
DESCRIPTION:Applies to: A corporation files its Idaho return by the 15th da
 y of the 4th month after its tax year closes (April 15 for calendar-year f
 ilers). A Saturday\, Sunday or legal-holiday date moves to the next busine
 ss day. A valid extension allows filing up to six months later\, but not p
 aying late.\nDue rule: Form 41: 15th day of the 4th month after the tax ye
 ar ends\nState legal holidays are not compiled: if this date is a state ho
 liday\, the deadline moves to the next business day.\nExtended due date: 2
 027-10-15\nSource: https://tax.idaho.gov/taxes/income-tax/business-income/
 guides-for-certain-businesses/income-tax-for-corporations/ (retrieved 2026
 -09-23)\nA reminder only: confirm with the source before filing. You file\
 ; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/business-income/guides
 -for-certain-businesses/income-tax-for-corporations/
CATEGORIES:Idaho,income-franchise-return
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Corporation income tax return (Form 41) — Form 41 (cal
 endar-year C corporation)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Corporation income tax return (Form 41) — Form 41 (cal
 endar-year C corporation)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-03-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270420
DTEND;VALUE=DATE:20270421
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nState legal holidays ar
 e not compiled: if this date is a state holiday\, the deadline moves to th
 e next business day.\nSource: https://tax.idaho.gov/taxes/income-tax/withh
 olding/withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: con
 firm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales-periodic:2027-01-01:0:quarterly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270420
DTEND;VALUE=DATE:20270421
SUMMARY:Idaho: Sales and use tax return (Form 850)\, quarterly\, semiannual
  or annual — Form 850 (quarterly filer)
DESCRIPTION:Applies to: Retailers owing less than $750 a quarter pay within
  20 days after the quarter\; semiannual filers by July 20 and January 20\;
  annual filers by January 20. The source states a weekend rule only for mo
 nthly filers\, so these dates are shown as stated.\nDue rule: Form 850: 20
  days after the quarter ends\nSource: https://tax.idaho.gov/taxes/sales-us
 e/stfiling/ (retrieved 2026-09-23)\nA reminder only: confirm with the sour
 ce before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (quarterly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (quarterly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-03-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270420
DTEND;VALUE=DATE:20270421
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nState legal holidays are not c
 ompiled: if this date is a state holiday\, the deadline moves to the next 
 business day.\nSource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (re
 trieved 2026-09-23)\nA reminder only: confirm with the source before filin
 g. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-01-01:0:quarterly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (quarterly withhol
 ding filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: last day of the month 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.\nSource: https://tax.idaho.gov/taxes/income-tax/wit
 hholding/withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: c
 onfirm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (quarterly wit
 hholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (quarterly wit
 hholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-04-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270520
DTEND;VALUE=DATE:20270521
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nState legal holidays ar
 e not compiled: if this date is a state holiday\, the deadline moves to th
 e next business day.\nSource: https://tax.idaho.gov/taxes/income-tax/withh
 olding/withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: con
 firm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-04-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270520
DTEND;VALUE=DATE:20270521
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nState legal holidays are not c
 ompiled: if this date is a state holiday\, the deadline moves to the next 
 business day.\nSource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (re
 trieved 2026-09-23)\nA reminder only: confirm with the source before filin
 g. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-05-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270621
DTEND;VALUE=DATE:20270622
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nStated date 2027-06-20\
 , moved to the next business day.\nState legal holidays are not compiled: 
 if this date is a state holiday\, the deadline moves to the next business 
 day.\nSource: https://tax.idaho.gov/taxes/income-tax/withholding/withholdi
 ng-due-dates/ (retrieved 2026-09-23)\nA reminder only: confirm with the so
 urce before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-05-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270621
DTEND;VALUE=DATE:20270622
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nStated date 2027-06-20\, moved
  to the next business day.\nState legal holidays are not compiled: if this
  date is a state holiday\, the deadline moves to the next business day.\nS
 ource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (retrieved 2026-09-
 23)\nA reminder only: confirm with the source before filing. You file\; th
 is calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-06-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270720
DTEND;VALUE=DATE:20270721
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nState legal holidays ar
 e not compiled: if this date is a state holiday\, the deadline moves to th
 e next business day.\nSource: https://tax.idaho.gov/taxes/income-tax/withh
 olding/withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: con
 firm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales-periodic:2027-01-01:0:semiannual@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270720
DTEND;VALUE=DATE:20270721
SUMMARY:Idaho: Sales and use tax return (Form 850)\, quarterly\, semiannual
  or annual — Form 850 (January–June) (semiannual filer)
DESCRIPTION:Applies to: Retailers owing less than $750 a quarter pay within
  20 days after the quarter\; semiannual filers by July 20 and January 20\;
  annual filers by January 20. The source states a weekend rule only for mo
 nthly filers\, so these dates are shown as stated.\nDue rule: Form 850 (Ja
 nuary–June): July 20 of the year the calendar year begins\; Form 850 (Ju
 ly–December): January 20 of the year after the calendar year begins\nSou
 rce: https://tax.idaho.gov/taxes/sales-use/stfiling/ (retrieved 2026-09-23
 )\nA reminder only: confirm with the source before filing. You file\; this
  calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (January–June) (semiannual filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (January–June) (semiannual filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales-periodic:2027-04-01:0:quarterly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270720
DTEND;VALUE=DATE:20270721
SUMMARY:Idaho: Sales and use tax return (Form 850)\, quarterly\, semiannual
  or annual — Form 850 (quarterly filer)
DESCRIPTION:Applies to: Retailers owing less than $750 a quarter pay within
  20 days after the quarter\; semiannual filers by July 20 and January 20\;
  annual filers by January 20. The source states a weekend rule only for mo
 nthly filers\, so these dates are shown as stated.\nDue rule: Form 850: 20
  days after the quarter ends\nSource: https://tax.idaho.gov/taxes/sales-us
 e/stfiling/ (retrieved 2026-09-23)\nA reminder only: confirm with the sour
 ce before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (quarterly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (quarterly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-06-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270720
DTEND;VALUE=DATE:20270721
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nState legal holidays are not c
 ompiled: if this date is a state holiday\, the deadline moves to the next 
 business day.\nSource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (re
 trieved 2026-09-23)\nA reminder only: confirm with the source before filin
 g. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-04-01:0:quarterly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270802
DTEND;VALUE=DATE:20270803
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (quarterly withhol
 ding filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: last day of the month after the quarter ends\nStated date 2027-07-3
 1\, moved to the next business day.\nState legal holidays are not compiled
 : if this date is a state holiday\, the deadline moves to the next busines
 s day.\nSource: https://tax.idaho.gov/taxes/income-tax/withholding/withhol
 ding-due-dates/ (retrieved 2026-09-23)\nA reminder only: confirm with the 
 source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (quarterly wit
 hholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (quarterly wit
 hholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-07-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270820
DTEND;VALUE=DATE:20270821
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nState legal holidays ar
 e not compiled: if this date is a state holiday\, the deadline moves to th
 e next business day.\nSource: https://tax.idaho.gov/taxes/income-tax/withh
 olding/withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: con
 firm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-07-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270820
DTEND;VALUE=DATE:20270821
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nState legal holidays are not c
 ompiled: if this date is a state holiday\, the deadline moves to the next 
 business day.\nSource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (re
 trieved 2026-09-23)\nA reminder only: confirm with the source before filin
 g. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-08-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270920
DTEND;VALUE=DATE:20270921
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nState legal holidays ar
 e not compiled: if this date is a state holiday\, the deadline moves to th
 e next business day.\nSource: https://tax.idaho.gov/taxes/income-tax/withh
 olding/withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: con
 firm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-08-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270920
DTEND;VALUE=DATE:20270921
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nState legal holidays are not c
 ompiled: if this date is a state holiday\, the deadline moves to the next 
 business day.\nSource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (re
 trieved 2026-09-23)\nA reminder only: confirm with the source before filin
 g. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-09-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271020
DTEND;VALUE=DATE:20271021
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nState legal holidays ar
 e not compiled: if this date is a state holiday\, the deadline moves to th
 e next business day.\nSource: https://tax.idaho.gov/taxes/income-tax/withh
 olding/withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: con
 firm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales-periodic:2027-07-01:0:quarterly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271020
DTEND;VALUE=DATE:20271021
SUMMARY:Idaho: Sales and use tax return (Form 850)\, quarterly\, semiannual
  or annual — Form 850 (quarterly filer)
DESCRIPTION:Applies to: Retailers owing less than $750 a quarter pay within
  20 days after the quarter\; semiannual filers by July 20 and January 20\;
  annual filers by January 20. The source states a weekend rule only for mo
 nthly filers\, so these dates are shown as stated.\nDue rule: Form 850: 20
  days after the quarter ends\nSource: https://tax.idaho.gov/taxes/sales-us
 e/stfiling/ (retrieved 2026-09-23)\nA reminder only: confirm with the sour
 ce before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (quarterly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850)\, quarterly\, semian
 nual or annual — Form 850 (quarterly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-09-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271020
DTEND;VALUE=DATE:20271021
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nState legal holidays are not c
 ompiled: if this date is a state holiday\, the deadline moves to the next 
 business day.\nSource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (re
 trieved 2026-09-23)\nA reminder only: confirm with the source before filin
 g. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-07-01:0:quarterly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271101
DTEND;VALUE=DATE:20271102
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (quarterly withhol
 ding filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: last day of the month after the quarter ends\nStated date 2027-10-3
 1\, moved to the next business day.\nState legal holidays are not compiled
 : if this date is a state holiday\, the deadline moves to the next busines
 s day.\nSource: https://tax.idaho.gov/taxes/income-tax/withholding/withhol
 ding-due-dates/ (retrieved 2026-09-23)\nA reminder only: confirm with the 
 source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (quarterly wit
 hholding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (quarterly wit
 hholding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-10-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271122
DTEND;VALUE=DATE:20271123
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nStated date 2027-11-20\
 , moved to the next business day.\nState legal holidays are not compiled: 
 if this date is a state holiday\, the deadline moves to the next business 
 day.\nSource: https://tax.idaho.gov/taxes/income-tax/withholding/withholdi
 ng-due-dates/ (retrieved 2026-09-23)\nA reminder only: confirm with the so
 urce before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-10-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271122
DTEND;VALUE=DATE:20271123
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nStated date 2027-11-20\, moved
  to the next business day.\nState legal holidays are not compiled: if this
  date is a state holiday\, the deadline moves to the next business day.\nS
 ource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (retrieved 2026-09-
 23)\nA reminder only: confirm with the source before filing. You file\; th
 is calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-910:2027-11-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271220
DTEND;VALUE=DATE:20271221
SUMMARY:Idaho: Form 910 withholding payment — Form 910 (monthly withholdi
 ng filer)
DESCRIPTION:Applies to: By the filing cycle the Tax Commission assigns (the
  preparer declares it): monthly filers by the 20th of the next month\; qua
 rterly filers by the last day of the month after the quarter\; annual file
 rs by the last day of January. Semimonthly filers are not dated here. A we
 ekend or state-holiday date moves to the next business day.\nDue rule: For
 m 910: 20th day of the month after the month ends\nState legal holidays ar
 e not compiled: if this date is a state holiday\, the deadline moves to th
 e next business day.\nSource: https://tax.idaho.gov/taxes/income-tax/withh
 olding/withholding-due-dates/ (retrieved 2026-09-23)\nA reminder only: con
 firm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/income-tax/withholding/withholdin
 g-due-dates/
CATEGORIES:Idaho,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Form 910 withholding payment — Form 910 (monthly withh
 olding filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:id:ID-sales:2027-11-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271220
DTEND;VALUE=DATE:20271221
SUMMARY:Idaho: Sales and use tax return (Form 850) — Form 850
DESCRIPTION:Applies to: Monthly filers pay by the 20th of the following mon
 th\; a 20th on a weekend or holiday moves to the next workday. Quarterly\,
  semiannual and annual filers are on their own line.\nDue rule: Form 850: 
 20th day of the month after the month ends\nState legal holidays are not c
 ompiled: if this date is a state holiday\, the deadline moves to the next 
 business day.\nSource: https://tax.idaho.gov/taxes/sales-use/stfiling/ (re
 trieved 2026-09-23)\nA reminder only: confirm with the source before filin
 g. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.idaho.gov/taxes/sales-use/stfiling/
CATEGORIES:Idaho,sales-tax
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Idaho: Sales and use tax return (Form 850) — Form 850
TRIGGER:-PT15H
END:VALARM
END:VEVENT
END:VCALENDAR