Consolidation, etc.
18.—(1)  Where 2 or more appeal proceedings are pending in relation to the same decision of the Commission, or involve the same or similar issues, the Board may at any time, on the request of a party or of its own initiative, order that the proceedings or any particular issue or matter raised in the proceedings be consolidated or heard together.
(2)  Before making an order under paragraph (1), the Board shall invite all the parties to the relevant proceedings to make their submissions thereon.