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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 2023 (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
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 2023 (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
Related topics
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