La. Stat. tit. 33 § 4780.45
In order to avail itself of the powers conferred by this Subpart, the governing authority of the parish shall appoint a zoning commission whose function it shall be to recommend the boundaries of the various original districts, the restrictions and regulations to be enforced therein, and any supplements, changes, or modifications thereof. Before making any recommendation to said governing authority, the zoning commission shall hold a public hearing. Notice of the time and place of the hearing shall be published at least three times in the official journal of the parish, and at least ten days shall elapse between the first publication and date of the hearing. After the hearing has been held by the zoning commission, it shall make a report of its findings and recommendations to the governing authority of the parish. Said governing authority shall not hold its public hearings or take action until it has received the final report of the zoning commission.
La. R.S. § 33:4780.45