Department of Revenue - Taxation:Software Developers

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Software Developers

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Software Developers

Information for Software and Form Developers is available through the links to your left.

Each year the Colorado Department of Revenue provides draft income tax forms online to tax professionals and software developers. Once forms become final, they will be available on the Finalized Forms for Developers Web page.

Technical Support and Helpful Documents

2D Bar Code -- Not supported for tax year 2009.
Federal/State Electronic Filing -- Steve Asbell, (303) 866-3889 or sasbell@spike.dor.state.co.us
Antoinette Williams at (303) 866-2722 or awilliams@spike.dor.state.co.us
Form Information and Specifications for Tax Professionals | PDF
DR 5315, Remittance Processing Scan Allowances | PDF
DR 5317, Specifications for Validation Area | PDF
DR 5325, Remittance Processing Scan Allowances -- Income Tax Payment Coupon | PDF