Sec. 223.031.  EXAMINATION OF BONDS.  (a)  After issuance of the bonds is authorized and before delivery of the bonds to their purchasers, the bonds and the proceedings authorizing their issuance and securing the bonds shall be presented to the attorney general for examination.
(b)  If the bonds state that they are secured by a pledge of all or part of the revenues of the issuer to be derived from a lease or other contract, the contract shall also be submitted to the attorney general.
(c)  If the attorney general finds that the bonds have been authorized in accordance with state law and any contract securing the bonds has been made in accordance with state law, the attorney general shall approve the bonds and contract.
(d)  The comptroller shall register the bonds when they are approved.  After approval and registration, the bonds and contract submitted with the bonds are valid and binding obligations according to their terms and are incontestable.
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.