Subject to Section 53-13-106.7 and Subsection 53-13-106.9(1), state and local law enforcement officers are not authorized to recognize a federal employee's exercise of law enforcement authority, either on or off federally managed land, when the exercise is based on a state or local statute, ordinance, regulation, or rule.
Utah Code § 53-13-106.3
State and local law enforcement officers and federal employees -- Exercise of federal law enforcement authority when based on a state or local enactment
Enacted by Chapter 317, 2014 General Session
Official source: Utah State Legislature. Reproduced from public-domain Utah statutes; confirm against the official source for the current text. Not legal advice.