Utah Code Ann. § 77-39-101
(2)
(a) A peace officer, as defined by Title 53, Chapter 13, Peace Officer Classifications, may investigate the possible violation of:
(ii) Section 76-10-104 by requesting an individual under the age of 19 years to enter into and attempt to purchase or make a purchase from a retail establishment of:
(c) Immediately following a purchase or attempted purchase or as soon as practical the supervising peace officer shall inform the cashier and the proprietor or manager of the retail establishment that the attempted purchaser was under the legal age to purchase:
(ii)
(3)
(b) An individual requested by the peace officer to attempt a purchase may:
(6)
(a) Except as provided in Subsection (6)(b), a purchase attempted under this section shall be conducted:
(ii) within a 12-month period at any one retail establishment location not more often than:
(A) four times for the attempted purchase of:
(b) Nothing in this section shall prohibit an investigation under this section if:
(7)
(b) The report required by this Subsection (7) shall include: