La. Stat. tit. 33 § 4042
Whenever the governing authority of any municipality or sewerage district, having a public sewerage system deem it necessary for the public health that owners of one or more premises connect their premises with the public sewer, the owners shall be so notified by registered letter directed to their last known address. If the work of making connection with the sewer is not begun at the end of ten days from the day the registered notice is deposited in the post office, the governing authority shall notify the engineer to prepare plans and specifications for making the connection with the public sewer, including water, service pipe for flushing purposes. The plans and specifications shall be uniform. The owner upon written notice to the governing authority, before adoption of the ordinance ordering advertisement, as provided below, may have installed a more expensive equipment, which the owner must fully and accurately describe, the extra cost of which shall be charged to the particular owner ordering it. The plans and specifications shall be filed in the office of the governing authority of the municipality or sewerage district and the governing authority shall adopt an ordinance ordering and describing in general terms the contemplated sewerage connection giving the location of the premises and the name of the owner, and authorizing the clerk or secretary to advertise for bids. The advertisement shall be inserted at least twice in some newspaper published in the municipality or sewerage district, the first insertion to be not less than ten days prior to the date fixed for reception of bids and shall contain a general description of the contemplated sewerage connection. It shall refer to the plans and specifications on file and shall designate the hour, date, and place for the reception of bids. The governing authority of the municipality or sewerage district shall let the contract to the lowest responsible bidder, who shall furnish satisfactory security. The governing authority may reject any and all bids.
La. R.S. § 33:4042