Utah Code Ann. § 59-7-102
(1) Except as provided in this section, the following are exempt from a tax under this chapter:
(f) a public agency, as defined in Section 11-13-103, with respect to or as a result of an ownership interest in:
(2) Notwithstanding any other provision in this chapter or Chapter 8, Gross Receipts Tax on Certain Corporations Not Required to Pay Corporate Franchise or Income Tax Act, a person not otherwise subject to the tax imposed by this chapter or Chapter 8 is not subject to a tax imposed by Section 59-7-104, 59-7-201, 59-7-701, or 59-8-104, because of:
(b) the activities of the person's employees or agents who are:
(ii) performing services:
(A) related to: