75(1)Paragraph 76 applies if—E+W+S
(a)the CAC gives notice under paragraph 74(5), and
(b)within the period of 10 working days starting with the day after that on which the notice is given the union makes (or unions make) an application to the CAC for a decision on the questions specified in sub-paragraph (2).
(2)The questions are—
(a)whether the original unit has ceased to exist;
(b)whether the original unit is no longer appropriate by reason of any of the matters specified in sub-paragraph (3).
(3)The matters are—
(a)a change in the organisation or structure of the business carried on by the employer;
(b)a change in the activities pursued by the employer in the course of the business carried on by him;
(c)a substantial change in the number of workers employed in the original unit.