Utah Code Ann. § 49-12-203
(1) The following employees are not eligible for service credit in this system:
(2) If an employee whose status is temporary in nature due to the nature of type of work to be performed:
(3)
(4) Upon filing a written request for exemption with the office, the following employees shall be exempt from coverage under this system:
(5)
(6)
(7) Each participating employer shall: