The judge or any juror may be called as a witness by either party. It is in the discretion of the court to order the trial to be postponed, suspended, or take place before another judge or jury.
Utah Code § 78B-1-133
Witnesses -- Judge or juror may be witness -- Procedure
Renumbered and Amended by Chapter 3, 2008 General Session
Official source: Utah State Legislature. Reproduced from public-domain Utah statutes; confirm against the official source for the current text. Not legal advice.