Overview
Colorado employers liable for unemployment insurance must file quarterly wage and premium reports with the Colorado Department of Labor and Employment (CDLE).
The TaxBandits API supports the automation of Forms UITR-1 and UITR-1A, Colorado's UI wage and premium reports.
Forms supported
| Form | Type | Filing frequency | Due date |
|---|---|---|---|
| Form UITR-1 / UITR-1A | UI | Quarterly | Last day of the month following the quarter end |
Key compliance notes
- Zero filing required. Forms UITR-1 and UITR-1A must be filed every quarter, even if no wages were paid.
Before filing, you can simulate the entire verification flow in our Sandbox environment without submitting real data to state agencies. See how
Available endpoints
Each endpoint below is specific to Colorado's withholding Form UITR-1 / UITR-1A.
To use the following endpoints, you must first call the Auth method to obtain an access token. Include this token in your request header as a Bearer token. Refer to OAuth 2.0 Authentication for details on JWT-based authentication.
- Create — Generates a new Form UITR-1/UITR-1A quarterly UI wage and premium report for the specified quarter.
- Update — Modifies the details of a previously created Form UITR-1/UITR-1A report before it's transmitted.
- Get — Retrieves the details of a previously created Form UITR-1/UITR-1A report.