Utah Code Ann. § 63G-6a-1602
(1) Except as provided in Subsection (2), a person who is an actual or prospective bidder, offeror, or contractor who is aggrieved in connection with a procurement or award of a contract may protest to the protest officer as follows:
(a) with respect to an invitation for bids or a request for proposals:
(3) A person who files a protest under this section shall include in the filing document: