Department of Revenue - Taxation
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Derek Kuhn
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Press Releases & Rulemaking Announcements
Press Releases
Core SUTS Filing Portal and Single-Address GIS Lookup Tool Remain 100% Operational and Free for All BusinessesDenver, Friday, SEPTEMBER 25, 2026 — The Colorado Department of Revenue (DOR) Taxation Division today announced a temporary pause of the Sales and Use Tax System (SUTS) bulk address lookup feature. The pause will start on September 29,2026.
DENVER — September 22, 2026 – The Colorado Department of Revenue (DOR) today announced the Average Market Rates (AMRs) for retail marijuana effective October 1 through December 31, 2026. These rates are used to help calculate the state's excise tax on retail marijuana.The AMRs for October 1 through December 31 are:
DENVER - September 17, 2026 - The Colorado Taxation Division today released the updated figures for marijuana tax and fee revenue for July 2026, alongside sales data for June 2026.
Notas de Prensa (español)
Denver, lunes 13 de abril de 2026 — Con la fecha límite del 15 de abril a solo unos días, algunos contribuyentes se apresuran a presentar sus declaraciones de
DENVER, miércoles 28 de enero de 2026 – Hoy, el Departamento de Ingresos de Colorado (DOR, por sus siglas en inglés) anunció cuánto podrán recibir los habitantes elegibles de Colorado para el programa PTC 2025 y el nuevo programa DAC para el año fiscal 2025 (a declarar en 2026).
La nueva ubicación del campus de Auraria ofrecerá una mejor experiencia de servicio público
Rulemaking Announcements
The Colorado Department of Revenue, Division of Taxation, will hold a virtual public rulemaking hearing regarding retail marijuana tax rules at 10:00 a.m. on October 15, 2026.The proposed rules reflect changes based on comments provided at the June 30, 2026, hearing.
The Colorado Department of Revenue, Division of Taxation, is seeking public input regarding drafts of the following new and amended rules. The Department has prepared drafts to aid in the process of soliciting public comments.Income Tax Rules:
On August 4, 2026, the Colorado Department of Revenue, Division of Taxation, adopted a new retail marijuana tax rule. The adoption was based on the public rulemaking hearing held on June 30, 2026.