La. Roads, Bridges and Ferries § 48:574
No district shall be created under the provisions of this Part until the notice prescribed in this Section has been given. Parish governing authorities may give this notice upon their own initiative. They shall give the notice when requested so to do by the petition in writing of one-fourth of the property taxpayers residing within the proposed district.
Notice of intention to create a road district or sub-road district shall be ordered by resolution which shall state the territory the district is proposed to be composed of, and the proposed boundaries thereof. This notice shall embrace substantially all matters required to be set forth in the resolution ordering it and shall set forth further that the parish governing authority ordering it will, in open session, on a date and at an hour and place named therein, proceed to create the proposed district.
The notice shall be published once a week for four successive weeks, the first publication being not less than thirty days before the date fixed for the hearing. Publication shall be in a newspaper published in the parish. If there is none, the notice shall be posted at two public places in the parish and published in a newspaper published in an adjoining parish.
La. Roads, Bridges and Ferries § 48:574