CO 106 Information
Use this guide to electronically file your return for free using Revenue Online at ww.Colorado.gov/RevenueOnline or using private e-file software. Only mail the paper form if you are not able to electronically file the return for any reason. Please note that filing on paper can increase return errors and delay refunds. All forms in this booklet may be photocopied.
Link to official form info: Colorado 106
Link to official form info for 106
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- Upcoming Due Dates in the Next Year:*
- Tuesday Apr 15, 2025
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9 Colorado Tax Filings & Forms:
104 - Individual Income Tax Form 104PN - Part-Year Resident/Nonresident Tax 112 - C Corporation Income Tax 106 - Pass-Through Entity and Composite Nonresident Income Tax DR 1094 - Department of Revenue W-2 Wage Withholding Tax Return DR 1093 - Annual Transmittal of State W-2 Forms DR 0100 - Retail Sales Tax Return DR 1094 - Income Withholding Tax 106 - Partnership Income TaxAre we missing a Colorado tax form?
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