La. Stat. tit. 33 § 4066.7
The governing authority of such parish, sewerage district, or commission, after having given notice of its intention as above set forth and after disposing of all objections and having decided to order the construction of such improvements, may, without further delay, have the necessary plans and specifications for said work prepared and may authorize the advertisement of bids therefor, by the giving of notice calling for sealed bids for the construction of said work, said notice to be signed by the chief executive officer or purchasing agent of the parish, sewerage district, or commission, and to be published once a week for three consecutive weeks in the official journal of the parish, sewerage district, or commission, or in any newspaper having general circulation in the parish where the parish, sewerage district, or commission is located. Said notice shall contain a general description of work contemplated, shall refer to plans and specifications which shall be placed on file with the clerk, secretary, or purchasing agent of the said governing authority, and shall designate the hour, date, and place for the reception and opening of bids, and may provide either that the contractor be required to accept sewerage certificates hereafter authorized, if the governing authority elects to make such requirement, or that they may be sold in such a manner and at such time as the governing authority may elect.
La. R.S. § 33:4066.7