Utah Code § 78B-10-105: Waiver and preclusion of privilege.

(1) A privilege under Section 78B-10-104 may be waived in a record or orally during a proceeding if it is expressly waived by all parties to the mediation, and:

(a) in the case of the privilege of a mediator, it is expressly waived by the mediator; and

(b) in the case of the privilege of a nonparty participant, it is expressly waived by the nonparty participant.

(2) A person that discloses or makes a representation about a mediation communication which prejudices another person in a proceeding is precluded from asserting a privilege under Section 78B-10-104, but only to the extent necessary for the person prejudiced to respond to the representation or disclosure.

(3) A person that intentionally uses a mediation to plan, attempt to commit or commit a crime, or to conceal an ongoing crime or ongoing criminal activity is precluded from asserting a privilege under Section 78B-10-104.