Utah Code § 75A-5-306: Unitrust rate.

(1) Except as otherwise provided in Subsection 75A-5-309(2)(a), a unitrust rate may be:

(a) a fixed unitrust rate; or

(b) a unitrust rate that is determined for each period using:

(i) a market index or other published data; or

(ii) a mathematical blend of market indices or other published data over a stated number of preceding periods.

(2) Except as otherwise provided in Subsection 75A-5-309(2)(a), a unitrust policy may provide:

(a) a limit on how high the unitrust rate determined under Subsection (1)(b) may rise;

(b) a limit on how low the unitrust rate determined under Subsection (1)(b) may fall;

(c) a limit on how much the unitrust rate determined under Subsection (1)(b) may increase over the unitrust rate for the preceding period or a mathematical blend of unitrust rates over a stated number of preceding periods;

(d) a limit on how much the unitrust rate determined under Subsection (1)(b) may decrease below the unitrust rate for the preceding period or a mathematical blend of unitrust rates over a stated number of preceding periods; or

(e) a mathematical blend of any of the unitrust rates determined under Subsection (1)(b) and Subsections (2)(a) through (d).