Colorado payroll tax form information

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Select a state from the drop-down list or visit the State-specific payroll tax form information topic to view payroll tax form information for that state.

Unemployment forms

Agency: Department of Labor & Employment

Website: https://cdle.colorado.gov/unemployment

Description Approval Information Filing Methods Web fill-in Form Due Date
UITR-1 Approved Web fill-in No Last day of the following month*
UITR-1a Approved Web fill-in, Internet No Last day of the following month*

* Due date adjusts for non-banking days

Withholding forms

Agency: Colorado Department of Revenue

Website: https://cdor.colorado.gov/

Description Approval Information Filing Methods Web fill-in Form Due Date
DR 1093 Approved Paper No January 31st*
DR 1094 Approved Paper No By deposit schedule*
W-2 Copy 1 Available up to 2022 (No approval required) Paper, Internet No January 31st*

* Due date adjusts for non-banking days

Other forms

1099 forms

Description Approval Information Filing Methods Web fill-in Form Due Date
1099-B No approval required Internet No March 31st
1099-DIV No approval required Internet No March 31st
1099-G No approval required Internet No March 31st
1099-INT No approval required Internet No May 31st
1099-MISC No approval required Internet No March 31st
1099-OID No approval required Internet No March 31st
1099-R No approval required Internet No March 31st
W-2G No approval required Internet No March 31st
1099-NEC No approval required Internet No January 31st

See also: State 1099 files overview

State website: www.colorado.gov/tax

Local forms

Select a locality to view its payroll tax forms.

Agency: Tax and Licensing Division

Website: https://www.auroragov.org/business_services/taxes/occupational_privilege_tax

Description Approval Information Filing Methods Web fill-in Form Due Date
COA STM 0101 Approved Web fill-in, Electronic No Last day of the following month

Agency: Treasury Division

Website: https://www.denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Department-of-Finance/Our-Divisions/Treasury/Business-Tax-Information

Description Approval Information Filing Methods Web fill-in Form Due Date
101 Approved Paper No Last day of the following month
104 Approved Paper No Last day of the following month
W-2 Copy 1 Available up to 2022 (No approval required) Paper No February 28th*

* Due date adjusts for non-banking days

Agency: City of Glendale Tax Department

Website: https://www.glendale.co.us/355/Occupational-Privilege-Tax

Description Approval Information Filing Methods Web fill-in Form Due Date
Glendale_M Approved Paper No 20th of the following month*
Glendale_Q Approved Paper No 20th of the following month*
Glendale_A Approved Paper No 20th of the following month*

* Due date adjusts for non-banking days

Agency: City of Greenwood Village Finance Department

Website: https://www.greenwoodvillage.com/1220/Occupational-Privilege-Tax-OPT

Description Approval Information Filing Methods Web fill-in Form Due Date
Greenwood Village Non-submittable only Web fill-in No Last day of the following month

Agency: City of Sheridan Finance Department

Website: https://www.ci.sheridan.co.us/288/Occupational-Privilege-Tax

Description Approval Information Filing Methods Web fill-in Form Due Date
Sheridan_M Non-submittable only Web fill-in No Last day of the following month
Sheridan_Q Non-submittable only Web fill-in No Last day of the following month

E-filing notes

Form UITR-1(a)

  • Registration required - Yes
  • File format - ICESA
  • Navigate to the Colorado Department of Labor and Employment website and click the File Your Premium and/or Wage Report link under the Unemployment Online Services section.

Form COA STM 0101 (Aurora)

  • Registration required - No
  • File format - FSET

Note: There is a per-return transmission cost for electronically filing federal 94x forms; enrollment files do not accrue a fee. There is no additional transmission cost for electronically filing state forms. For more information, see Common questions about FSET.

State ID formats

Unemployment ID: 9 digits (can have additional non-digit characters)

Withholding ID: You can use one of the following formats.

  • 8 digits
  • 12 digits
  • L or M followed by 7 digits or 11 digits

New hire reporting

Reporting methods

File Upload Type: Magnetic

General reporting requirements

Electronic filing required: No
Filing frequency: Twice monthly
Registration required: Yes

Website:

Related topics

State-specific payroll tax form information

Processing state payroll tax forms

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