Utah Code § 53-13-112: Auxiliary officer.

(1) An auxiliary officer is a specific category of special function officer and is required to have the level of training of a special function officer as provided in Section 53-13-105, including no fewer than 40 hours per year of in-service training.

(2) An auxiliary officer:

(a) shall work under the direction and immediate supervision of a certified law enforcement officer as defined in Section 53-13-103;

(b) is limited to the role of back-up officer to a law enforcement officer;

(c) may not initiate any action authorized for a law enforcement officer in Section 53-13-103; and

(d) may be separated from a law enforcement officer only under exigent circumstances or when engaged in functions not exclusive to law enforcement, which functions are defined by the division by rule.