"A tribunal may at any time before the hearing . . . . on the application of a party to the proceedings made by notice to the Secretary of the Tribunals or of its own motion) consider, by way of a pre-hearing assessment, the contents of the originating application and entry of appearance, any representations in writing which have been submitted and any oral argument advanced by or on behalf of a party."
"(2) If upon a pre-hearing assessment, the tribunal considers that the originating application or the contentions or any particular contention of a party appear or, as the case may be, appears to have no reasonable prospect of success,"
"that our letter of3rd August 1992 was sent in error.