BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Lyra Ventures LLC//FilingDates public calendars//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
NAME:Colorado business filing dates\, 2027 (FilingDates)
X-WR-CALNAME:Colorado business filing dates\, 2027 (FilingDates)
DESCRIPTION:Colorado business filing dates\, 2027. Each event links the off
 icial source it was computed from. Obligations without a verified source a
 re not in this feed\; the web page lists them as unsupported. A reminder o
 nly: confirm with the source before filing.
X-WR-CALDESC:Colorado business filing dates\, 2027. Each event links the of
 ficial 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.
REFRESH-INTERVAL;VALUE=DURATION:P1D
X-PUBLISHED-TTL:P1D
BEGIN:VEVENT
UID:co:CO-sales:2026-01-01:0:annual@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270120
DTEND;VALUE=DATE:20270121
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (an
 nual filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the calendar year ends\nSta
 te legal holidays are not compiled: if this date is a state holiday\, the 
 deadline moves to the next business day.\nSource: https://tax.colorado.gov
 /sites/tax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA rem
 inder only: confirm with the source before filing. You file\; this calenda
 r reminds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (annual filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (annual filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2026-10-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270120
DTEND;VALUE=DATE:20270121
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (qu
 arterly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the quarter ends\nState leg
 al holidays are not compiled: if this date is a state holiday\, the deadli
 ne moves to the next business day.\nSource: https://tax.colorado.gov/sites
 /tax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder 
 only: confirm with the source before filing. You file\; this calendar remi
 nds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (quarterly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (quarterly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2026-12-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270120
DTEND;VALUE=DATE:20270121
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month 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.colorado.gov/sites/t
 ax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder on
 ly: confirm with the source before filing. You file\; this calendar remind
 s.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-DR1093:2026-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270131
DTEND;VALUE=DATE:20270201
SUMMARY:Colorado: W-2 filing with the Department (paper filers: DR 1093 tra
 nsmittal) — DR 1093
DESCRIPTION:Applies to: An employer the preparer attests is subject to Colo
 rado wage withholding files its W-2s reporting Colorado wages or withholdi
 ng with the Department by January 31 of the following year (paper filers a
 ttach the DR 1093 transmittal). The source states no weekend rule for this
  filing\, so the stated date is shown.\nDue rule: DR 1093: January 31 of t
 he year after the calendar year ends\nFalls on a Sunday\; the source state
 s no weekend rule.\nSource: https://tax.colorado.gov/withholding-tax-guide
  (retrieved 2026-09-23)\nA reminder only: confirm with the source before f
 iling. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.colorado.gov/withholding-tax-guide
CATEGORIES:Colorado,withholding
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: W-2 filing with the Department (paper filers: DR 1093
  transmittal) — DR 1093
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: W-2 filing with the Department (paper filers: DR 1093
  transmittal) — DR 1093
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2026-11-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270131
DTEND;VALUE=DATE:20270201
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nFalls on a Sunday\; t
 he source states no weekend rule.\nSource: https://leg.colorado.gov/sites/
 default/files/images/olls/crs2024-title-07.pdf (retrieved 2026-09-23)\nA r
 eminder only: confirm with the source before filing. You file\; this calen
 dar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-ui-quarterly:2026-10-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270131
DTEND;VALUE=DATE:20270201
SUMMARY:Colorado: Quarterly UI wage and premium reports — Quarterly wage 
 and premium reports
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Color
 ado unemployment-insurance filer: the quarterly UI wage and premium report
 s and premiums are due the last day of the month after each calendar quart
 er (April 30\, July 31\, October 31\, January 31). The source states no we
 ekend rule\, so the stated date is shown.\nDue rule: Quarterly wage and pr
 emium reports: last day of the month after the quarter ends\nFalls on a Su
 nday\; the source states no weekend rule.\nSource: https://cdle.colorado.g
 ov/sites/cdle/files/Employer_Guide_0.pdf (retrieved 2026-09-23)\nA reminde
 r only: confirm with the source before filing. You file\; this calendar re
 minds.
URL;VALUE=URI:https://cdle.colorado.gov/sites/cdle/files/Employer_Guide_0.p
 df
CATEGORIES:Colorado,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Quarterly UI wage and premium reports — Quarterly w
 age and premium reports
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Quarterly UI wage and premium reports — Quarterly w
 age and premium reports
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-01-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270222
DTEND;VALUE=DATE:20270223
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month ends\nStated date
  2027-02-20\, moved to the next business day.\nHoliday rule: C.R.S. §39-2
 1-119(3) — https://olls.info/crs/crs2026-title-39.htm (retrieved 2026-09
 -26)\nState legal holidays are not compiled: if this date is a state holid
 ay\, the deadline moves to the next business day.\nSource: https://tax.col
 orado.gov/sites/tax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2026-12-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270228
DTEND;VALUE=DATE:20270301
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nFalls on a Sunday\; t
 he source states no weekend rule.\nSource: https://leg.colorado.gov/sites/
 default/files/images/olls/crs2024-title-07.pdf (retrieved 2026-09-23)\nA r
 eminder only: confirm with the source before filing. You file\; this calen
 dar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-02-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270322
DTEND;VALUE=DATE:20270323
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month ends\nStated date
  2027-03-20\, moved to the next business day.\nHoliday rule: C.R.S. §39-2
 1-119(3) — https://olls.info/crs/crs2026-title-39.htm (retrieved 2026-09
 -26)\nState legal holidays are not compiled: if this date is a state holid
 ay\, the deadline moves to the next business day.\nSource: https://tax.col
 orado.gov/sites/tax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270331
DTEND;VALUE=DATE:20270401
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nSource: https://leg.c
 olorado.gov/sites/default/files/images/olls/crs2024-title-07.pdf (retrieve
 d 2026-09-23)\nA reminder only: confirm with the source before filing. You
  file\; this calendar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-DR0106:2026-01-01:0@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270415
DTEND;VALUE=DATE:20270416
SUMMARY:Colorado: Form DR 0106 partnership / S corporation return — DR 01
 06 (calendar-year S corporation or partnership)
DESCRIPTION:Applies to: A partnership or S corporation files and pays by th
 e 15th day of the 4th month after its tax year closes (April 15 for calend
 ar-year filers). Filing is automatically extended six months (October 15)\
 ; payment is not. Weekend and legal-holiday dates move to the next busines
 s day.\nDue rule: DR 0106: 15th day of the 4th month after the tax year en
 ds\nState legal holidays are not compiled: if this date is a state holiday
 \, the deadline moves to the next business day.\nExtended due date: 2027-1
 0-15\nSource: https://tax.colorado.gov/sites/tax/files/documents/DR0106_20
 25.pdf (retrieved 2026-09-23)\nA reminder only: confirm with the source be
 fore filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0106_202
 5.pdf
CATEGORIES:Colorado,income-franchise-return
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Form DR 0106 partnership / S corporation return — D
 R 0106 (calendar-year S corporation or partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Form DR 0106 partnership / S corporation return — D
 R 0106 (calendar-year S corporation or partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-01-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270420
DTEND;VALUE=DATE:20270421
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (qu
 arterly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the quarter ends\nState leg
 al holidays are not compiled: if this date is a state holiday\, the deadli
 ne moves to the next business day.\nSource: https://tax.colorado.gov/sites
 /tax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder 
 only: confirm with the source before filing. You file\; this calendar remi
 nds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (quarterly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (quarterly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-03-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270420
DTEND;VALUE=DATE:20270421
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month 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.colorado.gov/sites/t
 ax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder on
 ly: confirm with the source before filing. You file\; this calendar remind
 s.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-02-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nSource: https://leg.c
 olorado.gov/sites/default/files/images/olls/crs2024-title-07.pdf (retrieve
 d 2026-09-23)\nA reminder only: confirm with the source before filing. You
  file\; this calendar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-ui-quarterly:2027-01-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270430
DTEND;VALUE=DATE:20270501
SUMMARY:Colorado: Quarterly UI wage and premium reports — Quarterly wage 
 and premium reports
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Color
 ado unemployment-insurance filer: the quarterly UI wage and premium report
 s and premiums are due the last day of the month after each calendar quart
 er (April 30\, July 31\, October 31\, January 31). The source states no we
 ekend rule\, so the stated date is shown.\nDue rule: Quarterly wage and pr
 emium reports: last day of the month after the quarter ends\nSource: https
 ://cdle.colorado.gov/sites/cdle/files/Employer_Guide_0.pdf (retrieved 2026
 -09-23)\nA reminder only: confirm with the source before filing. You file\
 ; this calendar reminds.
URL;VALUE=URI:https://cdle.colorado.gov/sites/cdle/files/Employer_Guide_0.p
 df
CATEGORIES:Colorado,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Quarterly UI wage and premium reports — Quarterly w
 age and premium reports
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Quarterly UI wage and premium reports — Quarterly w
 age and premium reports
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-DR0112:2026-01-01:0@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270517
DTEND;VALUE=DATE:20270518
SUMMARY:Colorado: Form DR 0112 C corporation return — DR 0112 (calendar-y
 ear C corporation)
DESCRIPTION:Applies to: A C corporation files and pays by the 15th day of t
 he 5th month after its taxable year closes (May 15 for calendar-year filer
 s). Filing is automatically extended six months (November 15 for calendar-
 year filers)\; payment is not. Weekend and legal-holiday dates move to the
  next business day.\nDue rule: DR 0112: 15th day of the 5th month after th
 e tax year ends\nStated date 2027-05-15\, moved to the next business day.\
 nHoliday rule: C.R.S. §39-21-119(3) — https://olls.info/crs/crs2026-tit
 le-39.htm (retrieved 2026-09-26)\nState legal holidays are not compiled: i
 f this date is a state holiday\, the deadline moves to the next business d
 ay.\nExtended due date: 2027-11-15\nSource: https://tax.colorado.gov/corpo
 rate-income-tax-guide (retrieved 2026-09-23)\nA reminder only: confirm wit
 h the source before filing. You file\; this calendar reminds.
URL;VALUE=URI:https://tax.colorado.gov/corporate-income-tax-guide
CATEGORIES:Colorado,income-franchise-return
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Form DR 0112 C corporation return — DR 0112 (calend
 ar-year C corporation)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Form DR 0112 C corporation return — DR 0112 (calend
 ar-year C corporation)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-04-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270520
DTEND;VALUE=DATE:20270521
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month 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.colorado.gov/sites/t
 ax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder on
 ly: confirm with the source before filing. You file\; this calendar remind
 s.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-03-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270531
DTEND;VALUE=DATE:20270601
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nSource: https://leg.c
 olorado.gov/sites/default/files/images/olls/crs2024-title-07.pdf (retrieve
 d 2026-09-23)\nA reminder only: confirm with the source before filing. You
  file\; this calendar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-05-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270621
DTEND;VALUE=DATE:20270622
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month ends\nStated date
  2027-06-20\, moved to the next business day.\nHoliday rule: C.R.S. §39-2
 1-119(3) — https://olls.info/crs/crs2026-title-39.htm (retrieved 2026-09
 -26)\nState legal holidays are not compiled: if this date is a state holid
 ay\, the deadline moves to the next business day.\nSource: https://tax.col
 orado.gov/sites/tax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-04-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270630
DTEND;VALUE=DATE:20270701
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nSource: https://leg.c
 olorado.gov/sites/default/files/images/olls/crs2024-title-07.pdf (retrieve
 d 2026-09-23)\nA reminder only: confirm with the source before filing. You
  file\; this calendar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-04-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270720
DTEND;VALUE=DATE:20270721
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (qu
 arterly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the quarter ends\nState leg
 al holidays are not compiled: if this date is a state holiday\, the deadli
 ne moves to the next business day.\nSource: https://tax.colorado.gov/sites
 /tax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder 
 only: confirm with the source before filing. You file\; this calendar remi
 nds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (quarterly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (quarterly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-06-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270720
DTEND;VALUE=DATE:20270721
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month 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.colorado.gov/sites/t
 ax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder on
 ly: confirm with the source before filing. You file\; this calendar remind
 s.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-05-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270731
DTEND;VALUE=DATE:20270801
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nFalls on a Saturday\;
  the source states no weekend rule.\nSource: https://leg.colorado.gov/site
 s/default/files/images/olls/crs2024-title-07.pdf (retrieved 2026-09-23)\nA
  reminder only: confirm with the source before filing. You file\; this cal
 endar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-ui-quarterly:2027-04-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270731
DTEND;VALUE=DATE:20270801
SUMMARY:Colorado: Quarterly UI wage and premium reports — Quarterly wage 
 and premium reports
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Color
 ado unemployment-insurance filer: the quarterly UI wage and premium report
 s and premiums are due the last day of the month after each calendar quart
 er (April 30\, July 31\, October 31\, January 31). The source states no we
 ekend rule\, so the stated date is shown.\nDue rule: Quarterly wage and pr
 emium reports: last day of the month after the quarter ends\nFalls on a Sa
 turday\; the source states no weekend rule.\nSource: https://cdle.colorado
 .gov/sites/cdle/files/Employer_Guide_0.pdf (retrieved 2026-09-23)\nA remin
 der only: confirm with the source before filing. You file\; this calendar 
 reminds.
URL;VALUE=URI:https://cdle.colorado.gov/sites/cdle/files/Employer_Guide_0.p
 df
CATEGORIES:Colorado,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Quarterly UI wage and premium reports — Quarterly w
 age and premium reports
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Quarterly UI wage and premium reports — Quarterly w
 age and premium reports
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-07-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270820
DTEND;VALUE=DATE:20270821
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month 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.colorado.gov/sites/t
 ax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder on
 ly: confirm with the source before filing. You file\; this calendar remind
 s.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-06-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270831
DTEND;VALUE=DATE:20270901
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nSource: https://leg.c
 olorado.gov/sites/default/files/images/olls/crs2024-title-07.pdf (retrieve
 d 2026-09-23)\nA reminder only: confirm with the source before filing. You
  file\; this calendar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-08-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20270920
DTEND;VALUE=DATE:20270921
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month 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.colorado.gov/sites/t
 ax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder on
 ly: confirm with the source before filing. You file\; this calendar remind
 s.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-07-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20270930
DTEND;VALUE=DATE:20271001
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nSource: https://leg.c
 olorado.gov/sites/default/files/images/olls/crs2024-title-07.pdf (retrieve
 d 2026-09-23)\nA reminder only: confirm with the source before filing. You
  file\; this calendar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-07-01:0:quarterly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271020
DTEND;VALUE=DATE:20271021
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (qu
 arterly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the quarter ends\nState leg
 al holidays are not compiled: if this date is a state holiday\, the deadli
 ne moves to the next business day.\nSource: https://tax.colorado.gov/sites
 /tax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder 
 only: confirm with the source before filing. You file\; this calendar remi
 nds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (quarterly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (quarterly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-09-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271020
DTEND;VALUE=DATE:20271021
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month 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.colorado.gov/sites/t
 ax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder on
 ly: confirm with the source before filing. You file\; this calendar remind
 s.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-08-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271031
DTEND;VALUE=DATE:20271101
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nFalls on a Sunday\; t
 he source states no weekend rule.\nSource: https://leg.colorado.gov/sites/
 default/files/images/olls/crs2024-title-07.pdf (retrieved 2026-09-23)\nA r
 eminder only: confirm with the source before filing. You file\; this calen
 dar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-ui-quarterly:2027-07-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271031
DTEND;VALUE=DATE:20271101
SUMMARY:Colorado: Quarterly UI wage and premium reports — Quarterly wage 
 and premium reports
DESCRIPTION:Applies to: An employer the preparer lists as a quarterly Color
 ado unemployment-insurance filer: the quarterly UI wage and premium report
 s and premiums are due the last day of the month after each calendar quart
 er (April 30\, July 31\, October 31\, January 31). The source states no we
 ekend rule\, so the stated date is shown.\nDue rule: Quarterly wage and pr
 emium reports: last day of the month after the quarter ends\nFalls on a Su
 nday\; the source states no weekend rule.\nSource: https://cdle.colorado.g
 ov/sites/cdle/files/Employer_Guide_0.pdf (retrieved 2026-09-23)\nA reminde
 r only: confirm with the source before filing. You file\; this calendar re
 minds.
URL;VALUE=URI:https://cdle.colorado.gov/sites/cdle/files/Employer_Guide_0.p
 df
CATEGORIES:Colorado,unemployment-insurance
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Quarterly UI wage and premium reports — Quarterly w
 age and premium reports
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Quarterly UI wage and premium reports — Quarterly w
 age and premium reports
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-10-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271122
DTEND;VALUE=DATE:20271123
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month ends\nStated date
  2027-11-20\, moved to the next business day.\nHoliday rule: C.R.S. §39-2
 1-119(3) — https://olls.info/crs/crs2026-title-39.htm (retrieved 2026-09
 -26)\nState legal holidays are not compiled: if this date is a state holid
 ay\, the deadline moves to the next business day.\nSource: https://tax.col
 orado.gov/sites/tax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-2
 3)\nA reminder only: confirm with the source before filing. You file\; thi
 s calendar reminds.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-09-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271130
DTEND;VALUE=DATE:20271201
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nSource: https://leg.c
 olorado.gov/sites/default/files/images/olls/crs2024-title-07.pdf (retrieve
 d 2026-09-23)\nA reminder only: confirm with the source before filing. You
  file\; this calendar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-sales:2027-11-01:0:monthly@filingdates.com
DTSTAMP:20260926T000000Z
DTSTART;VALUE=DATE:20271220
DTEND;VALUE=DATE:20271221
SUMMARY:Colorado: State sales tax return (DR 0100) — Sales tax return (mo
 nthly filer)
DESCRIPTION:Applies to: Sales tax returns are due the 20th of the month aft
 er the filing period: monthly returns the 20th of the next month\; quarter
 ly returns April 20\, July 20\, October 20\, January 20\; annual returns J
 anuary 20. A Saturday\, Sunday or legal-holiday date moves to the next bus
 iness day. Self-collected home-rule city taxes are not covered.\nDue rule:
  Sales tax return: 20th day of the month after the month 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.colorado.gov/sites/t
 ax/files/documents/DR0100_2024_0.pdf (retrieved 2026-09-23)\nA reminder on
 ly: confirm with the source before filing. You file\; this calendar remind
 s.
URL;VALUE=URI:https://tax.colorado.gov/sites/tax/files/documents/DR0100_202
 4_0.pdf
CATEGORIES:Colorado,sales-tax
SEQUENCE:1
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: State sales tax return (DR 0100) — Sales tax return
  (monthly filer)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:co:CO-periodic-report:2027-10-01:0@filingdates.com
DTSTAMP:20260923T000000Z
DTSTART;VALUE=DATE:20271231
DTEND;VALUE=DATE:20280101
SUMMARY:Colorado: Secretary of State periodic report — Periodic report (a
 ny business except a sole proprietor or general partnership)
DESCRIPTION:Applies to: An entity formed in Colorado delivers its periodic 
 report annually\, by the last day of the second calendar month after the a
 nniversary of the month it was formed. Foreign entities (dated from their 
 authority month)\, reinstated entities and entities that elected a differe
 nt month are not covered.\nDue rule: Periodic report: last day of the 3rd 
 month of the filing year (from the formation month)\nSource: https://leg.c
 olorado.gov/sites/default/files/images/olls/crs2024-title-07.pdf (retrieve
 d 2026-09-23)\nA reminder only: confirm with the source before filing. You
  file\; this calendar reminds.
URL;VALUE=URI:https://leg.colorado.gov/sites/default/files/images/olls/crs2
 024-title-07.pdf
CATEGORIES:Colorado,annual-report
SEQUENCE:0
TRANSP:TRANSPARENT
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-P6DT15H
END:VALARM
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:Colorado: Secretary of State periodic report — Periodic repor
 t (any business except a sole proprietor or general partnership)
TRIGGER:-PT15H
END:VALARM
END:VEVENT
END:VCALENDAR