La. Stat. tit. 48 § 1304
The governing authority of any parish may create within such parish one or more consolidated road lighting districts comprised of one or more existing road lighting districts, together with, if so determined by the governing authority, territory not within the boundaries of an existing road lighting district. Consolidated road lighting districts so created shall constitute road lighting districts within the meaning of Sub-section C.1 of Section 14 of Article XIV of the Constitution and, as such, shall enjoy all rights, powers and privileges enjoyed by road lighting districts under and by virtue of the provisions of said Sub-section, including the right to levy taxes as provided therein. The governing authority of each such consolidated road lighting district shall be the governing authority of the parish creating the district.
La. R.S. § 48:1304