Ariz. Rev. Stat. § 15-1489
The board may submit to the attorney general of the state of Arizona any bonds to be issued under this article after all proceedings for the issuance of such bonds have been taken. Upon the submission of such proceedings to the attorney general, it shall be his duty to examine into and pass upon the validity of the bonds and the regularity of all proceedings in connection therewith. If such proceedings conform to the provisions of this article, and if the bonds when delivered and paid for will constitute binding and legal obligations authorized by the board for and on behalf of the institution, enforceable according to the terms thereof, the attorney general shall certify in substance upon the back of each of said bonds that it is issued in accordance with the constitution and laws of the state of Arizona.
A.R.S. § 15-1489