BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Lyra Ventures LLC//FilingDates public calendars//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
NAME:Connecticut business filing dates\, 2027 (FilingDates)
X-WR-CALNAME:Connecticut business filing dates\, 2027 (FilingDates)
DESCRIPTION:Connecticut business filing dates\, 2027. Each event links the 
 official source it was computed from. Obligations without a verified sourc
 e are not in this feed\; the web page lists them as unsupported. A reminde
 r only: confirm with the source before filing.
X-WR-CALDESC:Connecticut business filing dates\, 2027. Each event links the
  official source it was computed from. Obligations without a verified sour
 ce are not in this feed\; the web page lists them as unsupported. A remind
 er only: confirm with the source before filing.
REFRESH-INTERVAL;VALUE=DURATION:P1D
X-PUBLISHED-TTL:P1D
BEGIN:VEVENT
UID:ct:CT-withholding-monthly:2026-12-01:0:monthly@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270115
DTEND;VALUE=DATE:20270116
SUMMARY:Connecticut: Monthly withholding remittance — Monthly withholding
  remittance
DESCRIPTION:Applies to: A monthly remitter (as the preparer declares the Co
 nnecticut classification) pays Connecticut withholding by the 15th of the 
 month after the month the wages were paid. Covered for 2025 and 2026\, the
  years whose employer guides (IP 2025(1)\, IP 2026(1)) state it. Quarterly
  and weekly remitter dates are not dated here. The source states no weeken
 d rule\, so the stated date is shown.\nDue rule: Monthly withholding remit
 tance: 15th day of the month after the month ends\nSource: https://portal.
 ct.gov/-/media/drs/publications/pubsip/2026/ip-2026-1.pdf (retrieved 2026-
 09-23)\nA reminder only: confirm with the source before filing. You file\;
  this calendar reminds.
URL;VALUE=URI:https://portal.ct.gov/-/media/drs/publications/pubsip/2026/ip
 -2026-1.pdf
CATEGORIES:Connecticut,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Monthly withholding remittance — Monthly withhol
 ding remittance
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Monthly withholding remittance — Monthly withhol
 ding remittance
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ct:CT-ui-quarterly:2026-10-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270201
DTEND;VALUE=DATE:20270202
SUMMARY:Connecticut: Quarterly UI tax return — Quarterly UI return
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Conne
 cticut unemployment-insurance filer\, and does not attest is a reimbursing
  employer: quarterly UI returns and payments are due April 30\, July 31\, 
 October 31 and January 31. Reimbursing employers have 15 more days\, not s
 hown here. A Saturday\, Sunday or holiday date moves to the next business 
 day.\nDue rule: Quarterly UI return: last day of the month after the quart
 er ends\nStated date 2027-01-31\, moved to the next business day.\nState l
 egal holidays are not compiled: if this date is a state holiday\, the dead
 line moves to the next business day.\nSource: https://portal.ct.gov/dol/kn
 owledge-base/articles/unemployment-taxes/what-are-the-due-dates-of-my-quar
 terly-tax-returns (retrieved 2026-09-23)\nA reminder only: confirm with th
 e source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://portal.ct.gov/dol/knowledge-base/articles/unemploymen
 t-taxes/what-are-the-due-dates-of-my-quarterly-tax-returns
CATEGORIES:Connecticut,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Quarterly UI tax return — Quarterly UI return
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Quarterly UI tax return — Quarterly UI return
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ct:CT-PET:2026-01-01:0@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270315
DTEND;VALUE=DATE:20270316
SUMMARY:Connecticut: Form CT-PET pass-through entity tax return — CT-PET 
 (calendar-year S corporation or partnership)
DESCRIPTION:Applies to: A partnership or S corporation that elected the pas
 s-through entity tax files Form CT-PET by the 15th day of the 3rd month af
 ter its taxable year closes (March 15 for calendar-year filers). A Saturda
 y\, Sunday or legal-holiday date moves to the next business day.\nDue rule
 : CT-PET: 15th day of the 3rd month after the tax year ends\nState legal h
 olidays are not compiled: if this date is a state holiday\, the deadline m
 oves to the next business day.\nSource: https://portal.ct.gov/drs/taxes/pa
 ss-through-entity/tax-information (retrieved 2026-09-23)\nA reminder only:
  confirm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://portal.ct.gov/drs/taxes/pass-through-entity/tax-infor
 mation
CATEGORIES:Connecticut,pass-through-entity-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Form CT-PET pass-through entity tax return — CT-
 PET (calendar-year S corporation or partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Form CT-PET pass-through entity tax return — CT-
 PET (calendar-year S corporation or partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ct:CT-llc-annual-report:2027-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270331
DTEND;VALUE=DATE:20270401
SUMMARY:Connecticut: LLC annual report — LLC annual report (single-member
  LLC or multi-member LLC)
DESCRIPTION:Applies to: A limited liability company's annual report is due 
 each year between January 1 and March 31.\nDue rule: LLC annual report: Ma
 rch 31 of the year the calendar year ends\nSource: https://portal.ct.gov/-
 /media/SOTS/Business-Services/BSD-Forms/llc-2017/ANNUAL-REPORT-FREQUENTLY-
 ASKED-QUESTIONS.pdf (retrieved 2026-09-23)\nA reminder only: confirm with 
 the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://portal.ct.gov/-/media/SOTS/Business-Services/BSD-Form
 s/llc-2017/ANNUAL-REPORT-FREQUENTLY-ASKED-QUESTIONS.pdf
CATEGORIES:Connecticut,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: LLC annual report — LLC annual report (single-me
 mber LLC or multi-member LLC)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: LLC annual report — LLC annual report (single-me
 mber LLC or multi-member LLC)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ct:CT-ui-quarterly:2027-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Connecticut: Quarterly UI tax return — Quarterly UI return
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Conne
 cticut unemployment-insurance filer\, and does not attest is a reimbursing
  employer: quarterly UI returns and payments are due April 30\, July 31\, 
 October 31 and January 31. Reimbursing employers have 15 more days\, not s
 hown here. A Saturday\, Sunday or holiday date moves to the next business 
 day.\nDue rule: Quarterly UI return: last day of the month after the quart
 er ends\nState legal holidays are not compiled: if this date is a state ho
 liday\, the deadline moves to the next business day.\nSource: https://port
 al.ct.gov/dol/knowledge-base/articles/unemployment-taxes/what-are-the-due-
 dates-of-my-quarterly-tax-returns (retrieved 2026-09-23)\nA reminder only:
  confirm with the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://portal.ct.gov/dol/knowledge-base/articles/unemploymen
 t-taxes/what-are-the-due-dates-of-my-quarterly-tax-returns
CATEGORIES:Connecticut,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Quarterly UI tax return — Quarterly UI return
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Quarterly UI tax return — Quarterly UI return
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ct:CT-1120:2026-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270515
DTEND;VALUE=DATE:20270516
SUMMARY:Connecticut: Form CT-1120 Corporation Business Tax return — CT-11
 20 (calendar-year C corporation)
DESCRIPTION:Applies to: A C corporation that carries on\, or has the right 
 to carry on\, business in Connecticut (the preparer attests) and files on 
 its own (a member of a combined unitary group files Form CT-1120CU instead
 \, not dated here) files by the 15th day of the month after its federal re
 turn is due: the 15th day of the 5th month after year-end (May 15 for cale
 ndar-year filers). An approved extension runs to the 15th day of the 11th 
 month. June 30 year-ends have their own line. The source states no weekend
  rule\, so the stated date is shown.\nDue rule: CT-1120: 15th day of the 5
 th month after the tax year ends\nFalls on a Saturday\; the source states 
 no weekend rule.\nExtended due date (CT-1120 EXT): 2027-11-15\nSource: htt
 ps://portal.ct.gov/drs/corporation-tax/corp-faqs (retrieved 2026-09-23)\nA
  reminder only: confirm with the source before filing. You file\; this cal
 endar reminds.
URL;VALUE=URI:https://portal.ct.gov/drs/corporation-tax/corp-faqs
CATEGORIES:Connecticut,income-franchise-return
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Form CT-1120 Corporation Business Tax return — C
 T-1120 (calendar-year C corporation)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Form CT-1120 Corporation Business Tax return — C
 T-1120 (calendar-year C corporation)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ct:CT-ui-quarterly:2027-04-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270802
DTEND;VALUE=DATE:20270803
SUMMARY:Connecticut: Quarterly UI tax return — Quarterly UI return
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Conne
 cticut unemployment-insurance filer\, and does not attest is a reimbursing
  employer: quarterly UI returns and payments are due April 30\, July 31\, 
 October 31 and January 31. Reimbursing employers have 15 more days\, not s
 hown here. A Saturday\, Sunday or holiday date moves to the next business 
 day.\nDue rule: Quarterly UI return: last day of the month after the quart
 er ends\nStated date 2027-07-31\, moved to the next business day.\nState l
 egal holidays are not compiled: if this date is a state holiday\, the dead
 line moves to the next business day.\nSource: https://portal.ct.gov/dol/kn
 owledge-base/articles/unemployment-taxes/what-are-the-due-dates-of-my-quar
 terly-tax-returns (retrieved 2026-09-23)\nA reminder only: confirm with th
 e source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://portal.ct.gov/dol/knowledge-base/articles/unemploymen
 t-taxes/what-are-the-due-dates-of-my-quarterly-tax-returns
CATEGORIES:Connecticut,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Quarterly UI tax return — Quarterly UI return
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Quarterly UI tax return — Quarterly UI return
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:ct:CT-ui-quarterly:2027-07-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271101
DTEND;VALUE=DATE:20271102
SUMMARY:Connecticut: Quarterly UI tax return — Quarterly UI return
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Conne
 cticut unemployment-insurance filer\, and does not attest is a reimbursing
  employer: quarterly UI returns and payments are due April 30\, July 31\, 
 October 31 and January 31. Reimbursing employers have 15 more days\, not s
 hown here. A Saturday\, Sunday or holiday date moves to the next business 
 day.\nDue rule: Quarterly UI return: last day of the month after the quart
 er ends\nStated date 2027-10-31\, moved to the next business day.\nState l
 egal holidays are not compiled: if this date is a state holiday\, the dead
 line moves to the next business day.\nSource: https://portal.ct.gov/dol/kn
 owledge-base/articles/unemployment-taxes/what-are-the-due-dates-of-my-quar
 terly-tax-returns (retrieved 2026-09-23)\nA reminder only: confirm with th
 e source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://portal.ct.gov/dol/knowledge-base/articles/unemploymen
 t-taxes/what-are-the-due-dates-of-my-quarterly-tax-returns
CATEGORIES:Connecticut,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Quarterly UI tax return — Quarterly UI return
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Connecticut: Quarterly UI tax return — Quarterly UI return
TRIGGER:-PT15H
END:VALARM
END:VEVENT
END:VCALENDAR