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


2020 Income Tax Forms | C Corporations


Filing Forms

DR 0112 Book - C Corporation Income Tax Booklet (Contains: DR 0112, DR 0112C, DR 0112CR, DR 0112SF,  DR 0158C, and DR 0900C)

DR 0112 - C Corporation Income Tax Return (form only)

DR 0112C - Schedule C: Colorado Affiliations Schedule

DR 0112CR - Credit Schedule for Corporations

DR 0112EP  - Corporate Estimated Income Tax Worksheet

DR 0112RF - Receipts Factor Apportionment Schedule

DR 0112X - Amended Return for C Corporations

DR 0158-C - Extension of Time for Filing a Colorado C Corporation Income Tax Return

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

DR 8453C - Corporate Income Tax Declaration for Electronic Filing


Credit, Subtraction, & Deduction Forms

Child Care Contribution
Contaminated Land Remediation
  • DR 0348 - Remediation of Contaminated Land Credit Transfer Schedule
  • DR 0349 - Remediation of Contaminated Land Credit Use Schedule
Enterprise Zones
  • 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
Innovative Motor Vehicle
Other Forms
  • DR 0113 - Rural Jump Start Zone Credit
  • DR 0289 - Employer Contributions to Employee 529 Qualified State Tuition Program
  • DR 0347 - Child Care Expenses Tax Credit
  • DR 0350 - First-Time Home Buyer Savings Account Interest Deduction
  • DR 0366 - Rural & Frontier Health Care Preceptor Credit
  • DR 0375 - Credit for Employer Paid Leave of Absence for Live Organ Donation Affidavit
  • DR 1316 - Colorado Source Capital Gain Subtraction Affidavit
  • DR 1330 - Strategic Capital Tax Credit and Carry Forward Schedule

Please be aware fillable PDFs are for your convenience and must be printed prior to closing out the document, as changes will not be saved in the PDF.