641.—(1) The Trinity House may, with the sanction of the Board of Trade, direct the Commissioners of Northern Lighthouses or the Commissioners of Irish Lights—

(a) to continue any lighthouse, buoy, or beacon:

(b) to erect or place any lighthouse, buoy, or beacon, or add to, alter, or remove any existing lighthouse, buoy, or beacon:

(c) to vary the character of any lighthouse or the mode of exhibiting lights therein:

and the Commissioners shall be bound within a reasonable time to obey any directions so given and sanctioned.

(2) For the purpose of obtaining the sanction of the Board of Trade to any direction under this section, the Trinity House shall make a written application to the Board of Trade showing fully the work which they propose to direct and their reasons for directing the same, and shall give notice in writing of the application to the Commissioners to whom they propose to give the direction at their principal office in Edinburgh or Dublin, as the case may be.

(3) Before the Board of Trade decide on any such application an opportunity shall be given to the Commissioners to whom it is proposed to give the direction for making any representation which they may think fit to make with regard to the application to the Board of Trade or the Trinity House.