The Secretary of State may, by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament, make regulations with respect to the proceedings and meetings of the Board and of any committee thereof, including the appointment of the chairman of the Board and the term of office of the chairman and other members of the Board and the members of committees, the method of voting and the number of members necessary to form a quorum, and any such regulations as to committees may be made so as to apply generally to the procedure of all committees or specially to the procedure of any particular committee ; but subject to the provisions of this Schedule and to any regulations so made, the Board and any committee thereof may, respectively, regulate their proceedings in such manner as they think fit.