La. Stat. tit. 33 § 262
On the day and at the hour and place named in the notice of election, the authority ordering the election shall, in public session, open each ballot box, examine and count the ballots in number and amount, examine and canvass the returns and declare the result of the election.
The authority ordering the election shall keep a proces verbal of the canvass of the election returns and shall forward one copy thereof to the Secretary of State, who shall record it, a second copy to the clerk of the district court, who shall record it in the mortgage records of the parish, and a third copy to the governor. The result of the election shall be promulgated by publication in one issue of a newspaper published within the municipality, or if there be none, in a newspaper published in the parish in which the municipality is situated or in an adjoining parish if no newspaper is published in the parish.
La. R.S. § 33:262