11.—(1) After the completion of a tidal work the Council shall at the outer extremity thereof exhibit every night from sunset to sunrise such lights, if any, and take such other steps for preventing danger to navigation as the Commissioners of Northern Lighthouses shall from time to time direct.
(2) If the Council fail to comply in any respect with a direction given under this article they shall be guilty of an offence and liable on summary conviction to a fine not exceeding the statutory maximum and on conviction on indictment to a fine.