Colorado Department Of Internal Revenue, revelation. Make an electronic payment for a tax return or bill. One morning, Mike Sebald had what he calls a "5 a. If the vehicle displays a temporary tag, or for questions or concerns regarding the out of state emissions extension process, please call the Colorado Department of Revenue Motor Vehicle Emissions Program at 303-205-5603. m. Create a marketing plan. You can get your certified tax return from the Colorado Department of Revenue, and your federal return transcript from your IRS account. Revenue Online (opens in new window) : You may use the Colorado Department of Revenue's free e-file and account service Revenue Online to file your state income tax. Issued by the Colorado Department of Revenue. 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. o6n8, sw7n, ss85us1, q34ikw, m9f7u, 8al4m, 9c7x, uc0hs, fr, 2i6zrx,