Utah Code § 63A-17-1001: Controlled substances and alcohol use prohibited.

Except as provided in Title 26B, Chapter 4, Part 2, Cannabinoid Research and Medical Cannabis, an employee may not:

(1) manufacture, dispense, possess, use, distribute, or be under the influence of a controlled substance or alcohol during work hours or on state property except where legally permissible;

(2) manufacture, dispense, possess, use, or distribute a controlled substance or alcohol if the activity prevents:

(a) state agencies from receiving federal grants or performing under federal contracts of $25,000 or more; or

(b) the employee to perform his services or work for state government effectively as regulated by the rules of the executive director in accordance with Section 63A-17-1002; or

(3) refuse to submit to a drug or alcohol test under Section 63A-17-1004.