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

 
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2021 Income Tax Forms | C Corporations

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Filing Forms

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

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

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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
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The forms on this page are fillable and savable (except the instruction booklets). Make sure you protect your personally identifiable information (PII). Do not save completed tax forms on a public device (e.g. at the library, school computer lab, shared work computer, etc.). For more information on identity theft prevention, visit Tax.Colorado.gov/Tax-Fraud-Prevention.