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Severance Tax | Forms Instructions
- Colorado Oil Gas Severance Tax Return (Form Only). DR 0021AS(opens in new window) - Colorado Severance Tax Affiliations Schedule (Include with the DR 0021).
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0536 Colorado Tax Handbook: A Brief Summary of State
by CL Council 2005 Information is provided on total state taxes and on each tax levied by the state. Comparisons with other states are provided for Colorados major tax sources.
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2016 Publication 535
Jan 19, 2017 You can order forms, instructions, and publications online at IRS.gov/orderforms. You can also visit. IRS.gov/formspubs to download forms,
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