17.—(1) The application of the seal of the Executive shall be authenticated by the signature of the Secretary of the Executive or by some other person authorised by the Executive, either generally or specially, to act for that purpose.
(2) The provisions of paragraphs 1 to 5 of Part V of Schedule 3 to the Act of 1933 (which provide as to the conduct of business at meetings) shall apply to the Executive as if the Executive were a local authority and as if for the references therein to that Act there were substituted references to this Order, but nothing in those paragraphs shall derogate from the power of the Executive to delegate to their Director General under Article 21.
(3) The Executive may fix their quorum and may, subject to the foregoing provisions of this Article, regulate their own procedure.