4. — The functions vested in the Club by or under this Act shall be carried out—

(a) before the day appointed by the Minister under subsection (7) of section 26 of this Act—by the Standing Committee of the Club, and

(b) on and after that day—by the Executive Committee of the Club,

but, in the case of rules made under this Act, the rules shall not come into operation unless and until they are approved of at a general meeting of the Club.