Utah Code § 78B-7-306

This state or a local governmental agency, or a law enforcement officer, prosecuting attorney, clerk of court, or any state or local governmental official acting in an official capacity, is immune from civil and criminal liability for an act or omission arising out of the registration or enforcement of a foreign protection order or the detention or arrest of an alleged violator of a foreign protection order if the act or omission was done in good faith in an effort to comply with this part.