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Common Tax Topics
Changes for Pass-Through Entities for 2024

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.
Tax Fraud Prevention

View our most recent publication to read detailed information regarding fraud prevention tips for this tax season.
Colorado Child Tax Credit
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.
Rulemaking Announcements
Online Filing Tools
Sales & Use Tax System (SUTS)
Geographic Information System (GIS)
Did you know that DOR has Free Tax Webinars?

Regístrese para el seminario web GRATUITO sobre el impuesto a las ventas en ESPAÑOL. 8 de abril de 2025.