Utah Code Ann. § 11-36a-603
(1) A local political subdivision shall refund any impact fee paid by a developer, plus interest earned, when:
(2)
(a) As used in this Subsection (2):
(ii) "Claimant" means:
(iv) "Unclaimed refund" means an impact fee that:
(b) If an impact fee is not spent or encumbered within the time specified in Subsection 11-36a-602(2), the local political subdivision shall, subject to Subsection (2)(c):
(i) refund the impact fee to:
(c) If the original owner's last known address is no longer valid at the time a local political subdivision attempts under Subsection (2)(b) to refund an impact fee to the original owner, the local political subdivision shall:
(d)
(ii) A notice under Subsection (2)(d)(i) shall:
(e) A local political subdivision: