Tex. Gov't Code § 1205.063
(a) The attorney general shall examine a petition filed under Section 1205.021, and shall raise appropriate defenses if the attorney general believes that:
(b) If the attorney general does not question the validity of the public securities, the public security authorization, or an expenditure of money relating to the public securities or the security or provisions for the payment of the public securities, the attorney general may:
Added by Acts 1999, 76th Leg., ch. 227, Sec. 1, eff. Sept. 1, 1999.