Form 104-EP, Estimated Income Tax Payment Voucher

Form 104, Individual Income Tax Return

Form 204, Underpayment of Individual Estimated Tax

Form 104CR, Individual Credit Schedule

Form 104 AMT, Alternative Minimum Tax Computation Schedule

Form DR 102, Claim for Refund on Behalf of Deceased Taxpayer

Form DR 0900, Individual Income Tax Payment Voucher for Electronic Filers, Telefilers and Netfilers

Form DR 1316, Colorado Source Capital Gain Affidavit

Form DR 1778, e-filer Attachment

Form DR 8453, Individual Income Tax Declaration for Electronic Filing