(a) An agreement for the lease, sale, or conveyance of a toll project or system under this subchapter shall be submitted to the attorney general for approval as part of the records of proceedings relating to the issuance of bonds of the governmental entity.
(b) If the attorney general determines that the agreement is in accordance with law, the attorney general shall approve the agreement and deliver to the commission a copy of the legal opinion of the attorney general stating that approval.