Utah Code § 17B-1-207
§ 17B-1-207. Signature on request may be used on petition.
A signature on a request may be used toward fulfilling the signature requirement of a petition: (1) if the request notifies the signer in conspicuous language that the signature, unless withdrawn, would also be used for purposes of a petition to create a special district; and (2) unless the signer files a written withdrawal of the signature before the petition is filed.