7.—The Minister may by order make regulations in relation to all or any of the following matters, that is to say:—
(a) the times and places of the sittings of the Board;
(b) the persons to whom and the times and manner in which notice of the sittings of the Board shall be given;
(c) the admission or exclusion of the public to or from sittings of the Board;
(d) such other matters in relation to the practice and procedure of the Board as the Minister may consider necessary or expedient for the proper conduct of the business of the Board.