A.R.S. § 9-527: Canvass of votes

A. The governing body shall canvass the returns and declare the result of the election. If it appears to the governing body that a majority of the qualified electors voting thereon assent to issuance of the bonds, the governing body shall provide for their issuance.

B. The determination of the governing body that a majority of the qualified electors voting thereon have assented to issuance of the bonds shall be conclusive in any action or proceeding involving the validity of the election or determination or declaration of the result thereof instituted after the date of delivery of and payment for the bonds.