Utah Code Ann. § 17D-1-303
(2)
(b)
(i) A municipality or improvement district under Title 17B, Chapter 2a, Part 4, Improvement District Act, may appoint one member to represent it on an administrative control board created by a special service district if:
(iii) With respect to an administrative control board created for a special service district created by a county of the first class to provide jail service as provided in Subsection 17D-1-201(10), the county legislative body shall appoint: