Utah Code § 78B-4-405: Liability agreements.

(1) A skier may enter into an agreement with a ski area operator before an injury to:

(a) waive a claim that the skier is permitted to bring against a ski area operator; or

(b) release the ski area operator from a claim that the skier is permitted to bring under this part.

(2) If the skier is a minor, the skier, or the skier's parent or guardian on behalf of the minor, may not enter into an agreement described in Subsection (1)(a).