Forms by Tax Year 2025

Do Not Release Colorado Tax Forms in your software before the Release Date posted on the tax grid below. Any forms made available prior to the Release Date noted in the tax grid below, will not read in our system.

Column Descriptions

• Form #
  Colorado Department of Revenue assigned DR number. 

• Title
  The title of the form.

• Revision Date
  The latest revision date of the form.

• Date Posted
  The date the form was posted to the web page.

• Status
  Indicates whether the form is "Draft", "Final" or "Final Updated". 

  • Draft form templates are posted as an example of a form however this version is not accepted as a form for review by Colorado. Only Final versions are accepted. 

  • Final form templates are the versions of forms vendors must use as an example for their software. 

  • Final Updated form templates that were previously final and has been corrected.

• Submit No Later Than
  The last date a form may be submitted to Colorado for review and approval. Forms that are submitted after the submit no later than, due date and/or are not on the current year's list of required forms to be reviewed, are subject to being placed on hold. The 15 business days to complete the review will no longer apply. These forms may be reviewed at the earliest convenience of the paper form review team. For example, coupon forms (scanline forms) are often due by the end of September. If a vendor submits the form in November, the form may be placed on hold until February when the review season has slowed. 

• Date First Final
  The date a form was initially approved by Colorado and had been posted as a final to the website by Colorado.

• Comments
  Changes or notifications about the form after the form has been posted as a final to the website.

• Changes Made to Form

A list of some or all of the changes that have been made to the forms.

• Form Type
  This is the type of form that is provided by CDOR for vendors to download. Form types are:

  • Book - Book template with associated forms and instructions. A book template does not include data placement X's or a 6 x 10 grid.

  • Form - Form is a blank template of the form. This template does include data placement X's and a 6 x 10 grid as layers. 

• Release Date or Time Frame
  The time frame the form may be released by the vendors in their software. Description of each is provided below:

  • Immediate - Forms that are ready for immediate update and release in the vendor software. Colorado highly encourages the update and distribution of these forms to the public as soon as possible.

  • Annual - Forms that are updated annually and are not available for release to the public until January 1, 2026. 

  • 1/26/24 - These forms are used for January tax collections that are due on February 20th.