"(1) An Area Director may terminate a certificate by revoking or discharging it under this Part of these Regulations. (2) Subject to this Part of these Regulations, a person whose certificate is revoked shall be deemed never to have been an assisted person in relation to those proceedings except for the purposes of section 18 of the Act; and a person whose certificate is discharged shall, from the date of the discharge, cease to be an assisted person in the proceedings to which the certificate related."
"The party in whose favour an order for costs is made may, within six years from the date on which it was made, apply to the court for the order to be varied on the ground that - (a) material additional information as to the assisted person's means, being information which could not have been obtained by that party with reasonable diligence at the time the order was made, is available; or (b) there has been a change in the assisted person's circumstances since the date of the order; and on any such application the order may be varied as the court thinks fit; but save as aforesaid the determination of the court shall be final."
"The first, and immediate, difficulty is that it is directed to variations of costs orders which have been made against an "assisted person"
"The appeal court will allow an appeal where the decision of the lower court was - (a) wrong; or (b) unjust because of a serious procedural or other irregularity in the proceedings in the lower court."