Utah Code Ann. § 17B-1-508
(1) A public hearing on the proposed withdrawal shall be held by the board of trustees of a local district that:
(3) Except as provided in Subsection (2), the public hearing required by Subsection (1) shall be held:
(a) no later than 90 days after:
(b)
(i) for a local district located entirely within a single county:
(ii) for a local district located in more than one county:
(A)
(d) for the purpose of allowing: