About 2017 Prior Year Forms
The forms listed below are only valid for the 2017 tax year. When filing for a prior year, be sure to only use the versions of forms that apply to that tax year, including forms for tax credits and subtractions.
Additionally, prior year forms cannot be used for the current tax year. If a form is listed below, but is not listed on the current tax year forms page, this means the form was discontinued, the filing procedures have changed, tax rules and regulations have changed, and/or the credit/subtraction is no longer available.
Please be aware that some of the forms below are fillable PDF documents. They have been provided for your convenience. You may type your form entries using a computer instead of filling them out by hand or using a typewriter. These forms must be printed prior to closing out the document, as changes will not be saved in the PDF.
Filing Forms
DR 0112 Book - C Corporation Income Tax Booklet
- This book includes: DR 0112, DR 0112CR, DR 0112SF, DR 0112 Schedule C, DR 0158C, and DR 0900C
DR 0112EP - Corporate Estimated Income Tax Worksheet
DR 0112SF - Receipts Factor Apportionment Schedule
DR 0112X - Amended Return for C Corporations
DR 0205 - Tax Year Ending Computation of Penalty Due Based on Underpayment of Colorado Corporate Estimated Tax
DR 0900C - C Corporation Income Tax Payment Form
Credit & Subtraction Forms
Child Care Contribution
- DR 1317 - Child Care Contribution Tax Credit Certification
- DR 1318 - Unlicensed Child Care Organization Registration Application (Registration Information)
- DR 1319 - Child Care Contribution Tax Credit Grandfathered Organization Application (Registration Information)
Enterprise Zones
- DR 0075 - Certification of Qualified Enterprise Zone Contribution
- DR 0076 - Certification of Qualified Nature of Enterprise Zone Rehabilitation Expenditures
- DR 0077 - Certification of Qualified Enterprise Zone Research & Development Expenditures
- DR 0078 - Application for Extended Enterprise Zone Tax Credits in Terminated Enterprise Zone Area
- DR 0078A - Pass-Through Entity Enterprise Zone Credit Distribution Report
- DR 1366 - Enterprise Zone Credit and Carryforward Schedule
Gross Conservation Easement
- DR 1305 - Gross Conservation Easement Donor Schedule
- DR 1305E - Gross Conservation Easement Credit Transfer Schedule
- DR 1305F - Gross Conservation Easement Credit Pass-Through Schedule
- DR 1305G - Gross Conservation Easement Credit Use Schedule