Tex. Water Code § 15.907
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
On approval by the attorney general and registration by the comptroller, the loan agreement, the promissory note, a contract providing revenue or security, and any other obligation evidencing the debt are incontestable in a court and are valid, binding, and enforceable according to their terms.
Tex. Water Code § 15.907