La. Stat. tit. 13 § 4942
The purchasers shall publish a monition calling on all persons who can set up any right to the property, in consequence of informality in any order, decree or judgment of the court, under which the sale was made, or any irregularity or illegality in the appraisement and advertisement, in the time and manner of the sale or for any other defect whatsoever, to show cause within thirty days from the date the monition is first published, why the sale so made should not be confirmed and homologated. The publication shall be given one time for movable property and two times for immovable property, provided that the second publication for immovable property shall be published not earlier than seven days before and not later than the day before the thirtieth day following the first publication.
La. R.S. § 13:4942