Utah Code § 45-2-12: Privilege as to communications between interested persons.

(1) A communication made to a person interested in the communication by one who is also interested, or who stands in a relation to the former as to afford a reasonable ground for supposing his motive innocent, is not presumed to be malicious, and is a privileged communication.

(2) Libelous remarks or comments connected with a matter privileged by Subsection (1) receive no privilege by reason of the libelous remarks or comments being so connected.