(Para ver la información en español, utilice el traductor automático en la parte superior derecha de la página.)
Common Tax Topics
SALT Parity Act Election
The SALT Parity Act (SB 22-124) allows partnerships and S corporations to make an annual election that will be subject to Colorado income tax at the entity level.
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?
Legislative Changes Webinar
This webinar is for Colorado businesses, individuals, and entities doing business in Colorado, and for businesses tax professionals. We will provide an overview of recent legislative changes impacting sales tax, income tax, and other business-related taxes and fees. This webinar is scheduled to last approximately 1 hour and 15 minutes and is eligible for 1.25 CPE credits. Register Here.