Utah Code Ann. § 32B-4-303
(1) In a prosecution of an offense defined in this title or in a proceeding brought to enforce this title:
(a) it is not necessary that the state or commission establish:
(b) there is an inference, absent proof to the contrary, that an alcoholic product in question is an alcoholic product if the witness describes it:
(d) a record signed or purporting to be signed by a state chemist, assistant state chemist, or state crime laboratory chemist, as to the analysis or ingredients of an alcoholic product is:
(i) prima facie evidence:
(2)
(a) In proving the unlawful purchase, sale, gift, or disposal, gratuitous or otherwise, or consumption of an alcoholic product, it is not necessary that the state or commission establish that money or other consideration actually passed or that an alcoholic product is actually consumed if the court or trier of fact is satisfied that:
(4) Notwithstanding the other provisions of this chapter, a criminal offense identified in this title as a criminal offense may not be enforced under this chapter if the criminal offense relates to a violation: