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Taxation Division

Our mission is to promote voluntary compliance with all tax laws through information, education, assistance and customer service.

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Quick Answers

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Timely Topics

  • CDOR Extends Tax Deadline to Wednesday, April 18
  • Updated Colorado Income Tax Withholding Tables for Employers
  • January 1, 2018 Sales Tax Rates
  • Use Tax Information
  • Taxpayer Identity Verification​

​​More Tax News ...

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