Sales & Use Tax System (SUTS) Help | Department of Revenue - Taxation

The Department of Revenue is processing 2023 income tax returns. For more information, please read the Department's announcement.

Quick Links

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Look Up Sales & Use Tax Rates

How to Add & Confirm Locations

Geographic Information System (GIS)

Getting Started on SUTS

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How To Register a New User

How to Add an Existing Business to Your SUTS Account

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How to Apply for a New Colorado Account Number (CAN) & Register for SUTS

Introduction to the Sales & Use Tax System

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How to Add Home Rule, Self-Collecting Jurisdiction Accounts to Your SUTS Account

How To File a Return Using SUTS

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How to Look Up Sales Tax Rates

Download & Print Instructions

How To Make a Payment

Download & Print Instructions

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Excel Upload Instructions

File Using XML

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