"A tribunal may at any time before the hearing of an originating application, on the application of a party ..... or of its own motion, hear and determine any issue relating to the entitlement of any party to bring or contest the proceedings to which the originating application relates."
"A tribunal shall not determine such an issue unless the Secretary has sent notice to each of the parties giving them an opportunity to submit representations in writing and to advance oral argument before the tribunal."
"(1) A tribunal may at any time before the hearing of an originating application, on the application of a party made by notice to the Secretary or of its own motion, conduct a pre-hearing review, consisting of a consideration of- (a) the contents of the originating application and notice of appearance; (b) any representations in writing; and (c) any oral argument as advanced by or on behalf of a party.
"(1) Subject to the following provisions of this section, proceedings before an industrial tribunal shall be heard by-
"Where (in accordance with the following provisions of this Part), the Secretary of State makes industrial tribunal procedure regulations, the regulations may provide that, in such circumstances as the regulations may specify, any act required or authorised by the regulations to be done by an industrial tribunal may be done by the person mentioned in subsection (1)(a) alone."
"Subject to the provisions of these rules, a tribunal may regulate its own procedure."