(a) Whenever a vessel is sunk, accidentally or otherwise, it shall be the duty of the owner of such vessel to mark it immediately by a buoy or beacon by day and by a lantern or light by night and to maintain such markings until the sunken vessel or obstruction is removed, and the neglect or failure of such owner to do so shall be unlawful. The owner of such sunken vessel shall immediately commence removal of said vessel and prosecute the removal diligently to completion.
(b) Whenever the navigation of any waters within the entrance channel shall be obstructed or endangered by any sunken vessel or other obstruction the vessel or obstruction shall be subject to removal, sale, or other disposition by the Director and may be treated as found property and subject to the provisions of the Civil Code. The owner or owners of such vessel or property causing such obstruction or damage shall be liable to the County for all costs incident to said removal and disposition, and shall further be liable to any person who may be damaged as a proximate cause of said sunken vessel or other obstruction. Neither the County nor the City of Los Angeles, their employees, agents or officers, shall be liable for damages of any nature whatsoever arising out of or in any way connected with the removal, sale, or disposition of such sunken vessel or other property.
(c) Any vessel that may enter the entrance channel in a disabled condition, or any vessel within said channel, which may for any reason be rendered disabled, shall immediately become subject to the orders and directions of the Director and it shall be unlawful for any person to fail or refuse to comply with his orders or directions with regard to the disposition of such vessel.