Utah Code § 32B-4-422: Unlawful dispensing.

(1) A retail licensee licensed under this title to sell, offer for sale, or furnish spirituous liquor for consumption on the licensed premises, or staff of the retail licensee may not:

(a) sell, offer for sale, or furnish a primary spirituous liquor to a person on the licensed premises except in a quantity that does not exceed 1.5 ounces per beverage dispensed through a calibrated metered dispensing system approved by the department;

(b) sell, offer for sale, or furnish more than a total of 2.5 ounces of spirituous liquor per beverage;

(c) allow a person on the licensed premises to have more than a total of 2.5 ounces of spirituous liquor at a time; or

(d)

(i) except as provided in Subsection (1)(d)(ii), allow a person to have more than two spirituous liquor beverages at a time; or

(ii) allow a person on the premises of the following to have more than one spirituous liquor beverage at a time:

(A) a full-service restaurant licensee;

(B) a person operating under a full-service restaurant sublicense;

(C) an on-premise banquet licensee;

(D) a person operating under an on-premise banquet sublicense;

(E) a single event permittee; or

(F) a hospitality amenity licensee.

(2) A violation of this section is a class C misdemeanor.