Utah Code § 32B-4-417
§ 32B-4-417. Unlawful possession by licensee or permittee.
Except as authorized by Section 32B-4-415, other provisions of this title, or the rules of the commission, a licensee or permittee may not possess, store, or allow consumption of liquor on its premises if the liquor is not purchased from: (1) the department; (2) a state store; or (3) a package agency.