57.—(1) If an agreement for recognition is terminated, as from the termination the agreement and any provisions relating to the collective bargaining method shall cease to have effect.N.I.
(2) For this purpose provisions relating to the collective bargaining method are—
(a)any agreement between the parties as to the method by which collective bargaining is to be conducted with regard to the bargaining unit, or
(b)anything effective as, or as if contained in, a legally enforceable contract and relating to the method by which collective bargaining is to be conducted with regard to the bargaining unit.