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Common Tax Topics

Changes for Pass-Through Entities for 2024

Picture of Elk in Colorado Mountains

House Bill 23-1277 made several changes for pass-through entities for tax years 2024 and later. These changes resulted in the elimination of form DR 0108 and affected nonresident composite returns and form DR 0106K.

Changes for Pass-Through Entities Information

Tax Fraud Prevention

Scan Alert Fraud Tax Tips

View our most recent publication to read detailed information regarding fraud prevention tips for this tax season. 

Tax Fraud Prevention Tips

Colorado Child Tax Credit

Child Tax Credit written on sticky note next to mother and child cut outs

New in 2023: A Child Tax Credit for Coloradans. Colorado Residents who qualify for the Federal Child Tax Credit may also qualify for a refundable State Credit.

Colorado Child Tax Credit Information

Rulemaking Announcements

We are pleased to release our final report with the recommendations resulting from our study of the Sales and Use Tax System (SUTS).  A copy of the report may be accessed below. 
The Colorado Department of Revenue, Division of Taxation, is hosting a virtual workgroup meeting to discuss the promulgation of new and amended tax rules regarding mandatory electronic filing and payment of certain taxes and fees. The Department has prepared the draft rules below to aid in the process of soliciting public comments.
The Colorado Department of Revenue, Division of Taxation, will hold a public rulemaking hearing on the income tax withholding rules listed below at 10 a.m. on October 2, 2025.

Online Filing Tools

Revenue Online (ROL)

File state taxes and manage your state tax account

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Sales & Use Tax System (SUTS)

State-administered and home rule sales and use tax filing

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Geographic Information System (GIS)

Look up sales and use tax rates by address or map location

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