La. Stat. tit. 45 § 1131
Any political subdivision or taxing district authorized to issue bonds by Article XIV, Section 14 of the Constitution excluding municipal corporations, may construct, acquire, extend or improve any revenue producing public utility, and obtain funds for such purposes and may issue negotiable revenue bonds secured exclusively as to the payment of principal and interest by conventional mortgage on the lands, buildings, machinery and equipment and by pledge of the income and revenue of said public utility sufficient in amount to pay the principal of and the interest on said bonds as they severally mature. Any project or undertaking owned and operated by such political subdivision, or taxing district, and from the conduct and operation of which revenue is or will be derived, shall be considered a revenue producing public utility within the meaning of this Part. The governing body of the political subdivision for the purposes of this Part shall be the body empowered to authorize and issue other bonds of the subdivision under the provisions of Article XIV, Section 14 of the Constitution and Title 39, Sub-title II, Chapter 4.
The term "political subdivision" as used in this Part shall include all such political subdivisions or taxing districts.
La. R.S. § 45:1131