La. R.S. 38:1849

Notice of election shall be given, embracing substantially all matters required to be set forth in the resolution ordering the election, and the notice shall set forth further that the board of commissioners ordering the election will, in open session, at an hour, date, and place named, proceed to open the ballot boxes, canvass the returns, and declare the result. The notice shall be published for thirty days in a newspaper published in the parish or if there be no newspaper published in the parish, publication shall be made in a newspaper published in an adjoining parish and by posting in three public places in the parish. Four publications in a newspaper once a week shall constitute a publication for thirty days, provided thirty days intervene between the date of the first publication and the date of the election.