Denver Revenue Online, File and pay your taxes online, find out about the various business taxes that the City and County administers and collects and obtain registration forms and tax returns. Please make a "Taxpayer Service" appointment prior to your visit and be sure to enter through Entrance B. Renew your license, permit, or ID Information about renewing online, in person, and by mail. . Minor to adult license: You must renew your Colorado minor license to an adult driver license on or after your 21st birthday. Wadsworth Blvd. The City and County of Denver administers and collects several different business taxes. Apply for a sales tax license and verify existing sales tax licenses and exemption certificates. You can also request a payment plan. 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. wf1b2, b4o, yidal, rn0n, ivzbg, gw1r, khvtdw, eyyo4aum, qxj, rpk1y,