“(4) If the Tribunal directs that the costs of a party to the proceedings be paid by another party it may settle the amount of costs by fixing a lump sum or direct that the costs be taxed by the registrar on such basis as the Tribunal thinks fit, being a 2 basis that would be applied on a taxation of the costs of High Court or county court proceedings. (5) A party dissatisfied with a taxation of costs under paragraph (4) may, within 7 days of the taxation, serve on any other interested party and on the registrar written objection specifying the items objected to and applying for the taxation to be reviewed in respect of those items. (6) Upon such application the registrar shall review the taxation of the items objected to and shall state in writing the reasons for his decision. (7) A person dissatisfied with the decision of the registrar under paragraph (6) may, within 10 days of the decision, apply to the President to review the taxation and the President may make such order as he thinks fit including an order as to payment of the costs of the review.”