Utah Code § 76-11-217
Carrying a dangerous weapon while under the influence of alcohol or drugs.
(1) Terms defined in Sections 76-1-101.5, 76-11-101, and 76-11-201 apply to this section. (2) An actor commits carrying a dangerous weapon while under the influence of alcohol or drugs if the actor: (a) carries a dangerous weapon that is readily accessible by the actor for immediate use; and (b) is under the influence of: (i) alcohol as determined by the actor's blood or breath alcohol concentration in accordance with Subsections 41-6a-502(1)(a) through (c); or (ii) a controlled substance as defined in Section 58-37-101. (3) A violation of Subsection (2) is a class B misdemeanor. (4) This section does not apply to: (a) an actor who uses or threatens to use force in compliance with Section 76-2-402; (b) an actor carrying a dangerous weapon in the actor's residence or the residence of another individual with the consent of the individual who is lawfully in possession of the residence; (c) an actor under the influence of cannabis or a cannabis product, as those terms are defined in Section 26B-4-201, if the actor's use of the cannabis or cannabis product complies with Title 26B, Chapter 4, Part 2, Cannabinoid Research and Medical Cannabis; or (d) an actor who: (i) has a valid prescription for a controlled substance; (ii) takes the controlled substance described in Subsection (4)(d)(i) as prescribed; and (iii) after taking the controlled substance, the actor: (A) is not a danger to the actor or another individual; or (B) is capable of safely handling a dangerous weapon. (5) It is not a defense to prosecution under this section that the actor: (a) is licensed in the pursuit of wildlife of any kind; (b) has a concealed carry permit as described in Section 53-5a-303; (c) has a provisional concealed carry permit as described in Section 53-5a-304; (d) has a temporary concealed carry permit issued under Section 53-5a-305; (e) has a concealed carry permit lawfully issued by or in another state; or (f) is 21 years old or older and may otherwise lawfully possess a concealed loaded firearm without a concealed carry permit as described in Section 53-5a-101.5.