Louisiana Revised Statutes Tit. 33, § 173. Effective date of ordinance enlarging boundaries

The ordinance enlarging the boundaries of the municipality shall not become operative until thirty days after it has been published once in a newspaper having general circulation therein. If there is no newspaper published in the municipality or having general circulation therein, written copies of the ordinance shall be posted in three public and conspicuous places in the municipality and same shall not become operative until thirty days after the posting.