Section 2 of the Principal Act is amended -

(a) in subsection (1) -

(i) by the deletion of "or excepted body",

(ii) by the insertion of ", subject to this Act," after "the Court may",

(iii) in paragraph (a), by the deletion of "negotiations",

(iv) in paragraph (c), by the deletion of "or the excepted body", and

(v) in paragraph (d), by the deletion of "or the excepted body",

and

(b) by the insertion of the following subsections after subsection (2):

"(3) The Court shall decline to conduct an investigation of a trade dispute under subsection (1) where it is satisfied that the number of workers who are party to the trade dispute concerned is such as to be insignificant having regard to the total number of workers employed by the employer concerned in the grade, group or category to which the trade dispute concerned refers.