Utah Code Ann. § 16-6a-707
(2)
(a) Unless the written consents of all members entitled to vote have been obtained, notice of any member approval without a meeting shall be given at least 10 days before the consummation of the transaction, action, or event authorized by the member action to:
(ii) those members:
(3) Any member giving a written consent, or the member's proxyholder or a personal representative of the member or their respective proxyholder, may revoke the consent by a signed writing:
(4)
(a) A member action taken pursuant to this section is not effective unless all written consents on which the nonprofit corporation relies for the taking of an action pursuant to Subsection (1) are:
(b) Action taken by the members pursuant to this section is effective: