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DR 0112 Booklet - C Corporation Income Tax Filing Booklet

Beginning tax year 2025, the DR 0112 Booklet has been discontinued. Instructions for Colorado C Corporation Income Tax forms can be found attached to each individual form.

Colorado C Corporation Tax Filing Guide. This book includes:

  • DR 0112 - Colorado C Corporation Income Tax Return
  • DR 0158-C - Extension of Time for Filing a Colorado C Corporation Income Tax Return
  • DR 0900C - 2022 C Corporation Income Tax Payment Form
  • DR 0112RF - 2022 Schedule RF - Receipts Factor Apportionment Schedule
  • DR 0112 Schedule C - Colorado Affiliations Schedule
  • DR 0112CR - 2022 Credit Schedule for Corporations

If you are a tax-exempt entity that has no Colorado taxable income and are only claiming a refundable or transferable tax credit, use form DR 0990 instead.