Utah Code Ann. § 49-17-102
As used in this chapter:
(1)
(b) "Compensation" includes:
(d) "Compensation," does not include:
(2) "Final average salary" means the amount computed by averaging the highest two years of annual compensation preceding retirement, subject to Subsections (2)(a) and (b).
(b) In cases where the participating employer provides acceptable documentation to the board, the limitation in Subsection (2)(a) may be exceeded if: