La. Stat. tit. 33 § 3522
Any municipality taking advantage of this Sub-part shall adopt a resolution giving notice of its intention to make the proposed improvements, which notice shall contain a general description of the improvements contemplated, the manner of paying for them, and shall state whether the improvements shall be constructed under private contract or undertaken by the municipality. The notice shall be signed by the authorized officer of the municipality, and shall contain substantially all things set forth in the resolution, and shall set forth further that the authority ordering the giving of notice will, in open session, at the date and at the hour and place named, hear all objections to the proposed improvements, the manner of paying for them, and the manner in which the improvements shall be made. After hearing and passing on the objections, the governing authority may order the improvements constructed in the manner hereinafter provided. The notice of intention shall be published once a week for three consecutive weeks, the first publication being not less than fifteen days before the date fixed for the hearing of objections. The notice shall be published in a newspaper published in the municipality, or if there be none, then in some newspaper published in the parish where the municipality is located, or by posting in three public places, within the corporate limits of the municipality, fifteen days before the date of the hearing.
La. R.S. § 33:3522