Colorado DOR Revises Withholding Tax Guidance for Gambling Winnings

March 20, 2026, 6:58 PM UTC

The Colorado Department of Revenue (DOR) revised its guidance regarding withholding tax requirements for gambling winnings. This updated guidance outlines registration requirements, filing frequencies, payment methods, penalties, and reporting obligations for Forms W-2G and 1042-S. [Colo. Dep’t of Revenue, Withholding Tax Topics: Gambling Winnings, 03/01/26]

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