Utah Code Ann. § 49-22-202
(2) The following employers may be excluded from participation in this system:
(a) an employer not initially admitted or included as a participating employer in this system before January 1, 1982, if:
(4)
(5) If a participating employer purchases service credit on behalf of a regular full-time employee for service rendered prior to the participating employer's admission to this system, the participating employer:
Amended by Chapter 415, 2018 General Session