Utah Code Ann. § 49-23-201
(2)
(a) A public safety service employee or a firefighter service employee initially entering employment with a participating employer on or after July 1, 2011, is eligible:
(b) A public safety service employee or a firefighter service employee initially entering employment with a participating employer on or after July 1, 2011, shall:
(i) make an election to participate in the system created under this chapter within 30 days from the date of eligibility for accrual of benefits: