Utah Code § 78A-2-205: When seal is affixed.

The seal of the court need not be affixed to any document of the court, except to:

(1) a writ;

(2) a certificate of the probate of a will, or of appointment of an executor, administrator, or guardian; or

(3) the authentication of:

(a) a copy of a record or document on file with the court; or

(b) the signature of an officer of the court.