Louisiana Revised Statutes Tit. 34, § 851.19. Operation of unnumbered motorboats, houseboats, or sailboats prohibited; exception

Every motorboat, houseboat, or sailboat operated on the waters of this state shall be numbered. No person shall operate or give permission for the operation of any motorboat, houseboat, or sailboat on such waters unless the motorboat, houseboat, or sailboat is numbered in accordance with this Part or in accordance with applicable federal law or in accordance with a federally approved numbering system of another state, and unless the certificate of number awarded to the motorboat, houseboat, or sailboat is in full force and effect, and the identifying number set forth in the certificate of number is displayed on each side of the bow of the motorboat, houseboat, or sailboat as provided in this Part.