Whenever the chairman is of opinion that for the speedy dispatch of the business of the Court it is expedient that the Court should act by divisions, he may direct accordingly, and, until he revokes his direction -

(a) the Court shall be grouped into -

(i) a first division, consisting of the chairman (who shall be chairman of the division) and a workers' member and an employers' member selected by him,

(ii) a second division, consisting of the deputy chairman appointed under section 4(1) of this Act (who shall be chairman of the division), a workers' member and an employers' member, and

(iii) if the direction so provides, a third division consisting of the deputy chairman appointed under section 4(4) of this Act (who shall be chairman of the division) and a workers' member and an employers' member;

(b) the chairman shall assign to each division the business to be transacted by it;

(c) for the purpose of the business so assigned to it, each division shall have all the powers of the Court and the chairman of the division shall have all the powers of the chairman and references in this Act to the Court and the chairman shall be construed as including references to a division and the chairman of a division respectively.