The Department of Revenue is processing 2023 income tax returns. For more information, please read the Department's announcement.

News Article

Request for Public Input – State Income Tax Addback

The Colorado Department of Revenue, Division of Taxation, is seeking input from the public regarding a draft of the following new income tax rule. The Department has prepared the following draft to aid in the process of soliciting public comments.

Request for Public Input – Colorado Income Tax Withholding

The Colorado Department of Revenue, Division of Taxation, is seeking input from the public regarding draft amendments made to the Colorado income tax withholding rule. The Department has prepared the following draft to aid in the process of soliciting public comments.