Utah Code § 16-6a-602
Number and classes.
(1) A nonprofit corporation may have: (a) one or more classes of voting or nonvoting members; and (b) one or more members in each class described in Subsection (1)(a). (2) The bylaws may designate: (a) the class or classes of members; and (b) the qualifications and rights of the members of each class of members including the matters or items for which voting members may vote.