C.R.S. § 16-2.5-102: Certified peace officer - P.O.S.T. certification required.

The following peace officers shall meet all the standards imposed by law on a peace officer and shall be certified by the P.O.S.T. board: A chief of police, a police officer, a sheriff, an undersheriff, a deputy sheriff, a Colorado state patrol officer, a town marshal, a deputy town marshal, a reserve police officer, a reserve deputy sheriff, a reserve deputy town marshal, a police officer or reserve police officer employed by a state institution of higher education, a department of revenue auto industry division employee identified in section 16-2.5-122, a department of revenue firearms dealer division employee identified in section 16-2.5-121.5 (2), a Colorado wildlife officer, a Colorado parks and recreation officer, a Colorado police administrator or police officer employed by the Colorado mental health institute at Pueblo, an attorney general criminal investigator, a community parole officer, a public transit officer, a municipal court marshal, administrators of judicial security, the department of corrections inspector general, and a Colorado ranger.