Utah Code Ann. § 16-6a-103
(2)
(a) Notice may be communicated:
(b) If the forms of personal notice described in Subsection (2)(a) are impracticable, notice may be communicated by:
(i)
(3) Written notice to a domestic or foreign nonprofit corporation authorized to conduct affairs in this state may be addressed to:
(4)
(a) Written notice by a domestic or foreign nonprofit corporation to its members, is effective as to each member when mailed, if:
(5) Except as provided in Subsection (4), written notice, if in a comprehensible form, is effective at the earliest of the following:
(c) on the date shown on the return receipt if:
(8) A written notice or report delivered as part of a newsletter, magazine, or other publication regularly sent to members shall constitute a written notice or report if:
(9)