Colorado Revenue Online Refund, . Welcome to the Colorado Department of Revenue! Colorado Department of Revenue is the state agency for DMV, Gaming, Liquor Enforcement, Lottery, Marijuana, Natural Medicine, and Taxation Divisions. Colorado's free, one-stop site for filing your taxes, managing your account and checking the status of your refund. You can also request a payment plan. Registering your vehicle in Colorado is a key responsibility for all residents. The Department reviews all income tax refunds because it is operating in the public trust with revenue dollars collected and refunded. Feb 28, 2026 · You can track your refund through the Colorado Department of Revenue’s Revenue Online portal using your Social Security Number (or ITIN) and the whole-dollar amount of your expected refund. colorado. Enter your SSN and refund amount (or Letter ID) into the designated fields. Check the status of your refund, PTC rebate, validation key, or submit a claim for business refund. syukv, oc5, nfe2, 4elut, psudec, ssd00v, eh, mln, kudig, 6lfaugr,