4.—(1) No person shall maintain a signalling station which is intended to be used or is capable of being used for the purpose of communication with ships at sea save in so far as such maintenance is authorised by a licence granted under this Act and for the time being in force.

(2) No person shall work or use any such signalling station as aforesaid the maintenance of which is not authorised by a licence granted under this Act and for the time being in force nor shall any person work or use any such signalling station in any manner contrary to the licence granted under this Act in respect thereof.

(3) Every person who maintains, works, or uses any such signalling station as aforesaid in contravention of this section shall be guilty of an offence under this section and shall be liable on summary conviction thereof to a fine not exceeding ten pounds together with, in the case of a continuing offence, a further fine not exceeding one pound for every day during which the offence continues.

(4) Nothing in this section shall apply to any signalling station maintained under Lloyd's Signal Station Act 1888 or maintained by or under the control of the Minister for Industry and Commerce or the Commissioners of Irish Lights or any person having by law authority over local lighthouses, buoys, and beacons.