Forms & Instructions

Primary Forms

Colorado Form 104

Colorado Individual Income Tax Return

Colorado Form 104 Instructions

Instructions for Individual Income Tax Return

Colorado Tax Table

Colorado Individual Income Tax Table

Colorado Form 104PN

Colorado Part-Year Resident/Nonresident Tax Calculation Schedule

Colorado Form 104X

Amended Individual Income Tax Return

Schedules

Colorado Form 104AMT

Alternative Minimum Tax Computation Schedule

Colorado Form 1040CR

Individual Credit Schedule

Colorado Form DR1305

Gross Conservation Easement Credit

Colorado Form DR1316

Colorado Source Capital Gain Affidavit

Forms 

Colorado Form DR0810

Employee Election Regarding Medical Savings Account

Colorado Form 243

Claim to Refund Due a Deceased Person - Revision 11/06

Extensions Forms

Colorado Form DR1581

Extension Payment for Colorado Individuals Individual Tax

Designation Forms

Colorado Form DR0145

Power of Attorney - Revision 07/14/06

eFile Declaration Forms

Colorado Form DR8453

State of Colorado Individual Income Tax Declaration for Electronic Filing

Estimate Payment Forms

Colorado Form 104EP

Estimated Tax Vouchers for Individuals (Next tax year)

Colorado Form 106EP

Composite Nonresident Return Estimated Income Tax (Next tax year)

Colorado Form 204

Computation of Penalty Due Based on Underpayment of Colorado Individual Estimated Tax

Vouchers

Colorado Form DR0900

Colorado Individual Income Tax Payment

Other

Colorado Form DR5714

Request for Copy of Tax Return

Colorado Form 102

Claim for refund on Behalf of Deceased Taxpayer

Colorado Form DR0084

Substitute Colorado W-2 Form