Utah Code Ann. § 49-13-202
(1)
(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)
(a)
(b) An election provided under Subsection (5)(a):
(c) The employer making an election under Subsection (5)(a) may offer employee benefit plans for its employees: