(1) Subject to the provisions of this section, where a trade dispute exists or is apprehended, the Court may investigate the dispute.
(2) The Court shall not investigate a trade dispute between persons who are represented on a registered joint industrial council unless -
(a) the council so requests, or
(b) the Court is of opinion that the dispute is likely to lead to a stoppage of work.
(3) [deleted]
(4) The Court shall not investigate a trade dispute in which a trade union is concerned, if the trade union establishes to the satisfaction of the Court that there is an agreement in force between the trade union and the other parties to the dispute which provides another method of determining the dispute, unless the Court is of opinion that the dispute is likely to lead to a stoppage of work.
(5) The Court shall not investigate a trade dispute between persons to whom a registered employment agreement, within the meaning of Part III of this Act, applies concerning matters to which the