- Form 104 Colorado Individual Income Tax Return
Form 104 Colorado Individual Income Tax Return Instructions - Form 104-AMT Alternative Minimum Tax Computation Schedule
- Form 104-CR Individual Credit Schedule
- Form 104-EP Estimated income Tax Payment Voucher
- Form 104-PN PY/NR Tax Calculation Schedule
- Form 104-X Amended Individual Income Tax Return
Form 104-X Amended Individual Income Tax Return Instructions- Form 204 Computation of Penalty Due – Underpayment of Colorado Individual Estimated Tax
- Form 1305 Gross Conservation Easement Credit Schedule
- Form 1316 Source Capital Gain Affidavit
- Form DR-900 Payment Voucher for Electronic Filers
- Form DR-8453 Declaration For Electronic Filing
Form DR-8453 Declaration For Electronic Filing Instructions
- Form 104 Colorado Individual Income Tax Return
Form 104 Colorado Individual Income Tax Return Instructions - Form 104-AMT Alternative Minimum Tax Computation Schedule
- Form 104-CR Individual Credit Schedule
- Form 104-EP Estimated income Tax Payment Voucher
- Form 104-PN PY/NR Tax Calculation Schedule
- Form 104-X Amended Individual Income Tax Return
Form 104-X Amended Individual Income Tax Return Instructions- Form 204 Computation of Penalty Due – Underpayment of Colorado Individual Estimated Tax
- Form 1305 Gross Conservation Easement Credit Schedule
- Form 1316 Source Capital Gain Affidavit
- Form DR-900 Payment Voucher for Electronic Filers
- Form DR-8453 Declaration For Electronic Filing
Form DR-8453 Declaration For Electronic Filing Instructions

