La. Stat. tit. 33 § 4492
Upon the adoption of the ordinance, or the presentation of the petition as hereinabove provided, the governing body of the town, city, or parish shall, by ordinance (1) order and fix the date of the holding of a special election for the purpose of submitting the proposition to the qualified electors or (2) order the submission of the proposition at a general municipal or parish election as hereinafter provided.
The special election, if ordered, shall be held not less than twenty days nor more than sixty days after the adoption of the ordinance unless a general parish or municipal election occurs within that period, in which case propositions may be submitted at the general election in the same manner as other propositions are required by law to be submitted at general elections held in the town, city, or parish.
The ordinance providing for the election shall specify the propositions to be submitted, the date of the election, and the other information necessary to inform the voters of the question to be decided. The ordinance shall, prior to the election, be published six times in a daily newspaper printed and published in the town, city, or parish where the election is to be held, or three times in a weekly newspaper where there is no daily newspaper in the town, city or parish.
La. R.S. § 33:4492