La. Stat. tit. 33 § 9031.1
In order to provide a uniform, expeditious, and equitable procedure, with due regard for the public fisc and rights of persons in interest, for the judicial determination of the validity of any cooperative endeavor agreements authorized under this Chapter or generally by Article VII, Section 14(C) of the Louisiana Constitution and the transactions contemplated thereby; the provisions of Part XVI of Chapter 32 of Title 13 of the Louisiana Revised Statutes of 1950, as amended, shall be applicable thereto, and suits to determine the validity of such cooperative endeavor agreements may be filed thereunder in the district court having jurisdiction for any party thereto as though such agreements constituted the issuance of bonds of a governmental unit.
R.S. 13:5121 et seq.
La. R.S. § 33:9031.1