Sales-Tax Insights & Resources

CO HB13-1312 Intro

Summary of HB13-1312, which expands nexus provisions for Colorado sales tax and outlines key changes to state and local taxing obligations.

Colorado Refund | Sales Tax Colorado, LLC

Colorado has extended the deadline for sales and use tax refund applications to three years after the 20th day of the month following purchase or initial use—updating the prior three-year post-purchase deadline and highlighting audit risks.

Colorado Use Tax

An overview of Colorado’s use tax, explaining when use tax is owed on untaxed purchases, increased risks due to home-rule jurisdictions, and steps to prepare before audit.