La. Stat. tit. 38 § 1616
Certified copies of all ordinances of police juries creating drainage districts under the provisions of this Part shall be recorded in the drainage district record book provided in R.S. 38:1615 in each parish in which any of the land is situate comprising the drainage district.
The ordinance creating the drainage district, after having been so recorded, shall be published once a week for two successive weeks in a newspaper published in the drainage district. If there is no newspaper published therein, then in a newspaper published in any parish in which any of the lands of the district are situated, or if there is no newspaper, then in a newspaper published in an adjoining parish. Whenever publication is made in a newspaper published outside the boundaries of the drainage district, copies of the ordinance shall be posted on the principal front door of the court house of the district court of each parish in which any lands of the district are situated, and shall also be posted at not less than four other public places within the drainage district.
La. R.S. § 38:1616