La. R.S. 33:4336

The governing authority of the municipality shall cause an advertisement to be published three times in ten days in a newspaper published in the municipality and in a newspaper published in the City of New Orleans, asking for sealed bids for any bonds authorized by this Sub-part. After the bids have been received, the governing authority shall sell the bonds to the bidder offering to purchase them at the lowest rate of interest. The governing authority may reject all bids and thereafter shall proceed anew in accordance with the provisions of this Section.