Utah Code Ann. § 20A-7-601
(1) Except as provided in Subsection (2), a person seeking to have a law passed by the local legislative body submitted to a vote of the people shall obtain legal signatures equal to:
(2)
(b) A person seeking to have a land use law or local obligation law passed by the local legislative body submitted to a vote of the people shall obtain legal signatures equal to:
(3)