(1) This Rule applies where—
(a) a party fails to apply to have costs taxed within a time fixed under Rule 63.53(1) and the failure is occasioned by the neglect or delay of the party's solicitor; or
(b) in any proceedings before the Costs Court the solicitor for any party—
(i) is guilty of neglect or delay; or
(ii) causes any other party unnecessary expense.
(2) The Costs Court may—
(a) order the solicitor to pay costs to any party in respect of the proceedings before the Costs Court;
(b) refuse to allow the fees to which the solicitor would otherwise be entitled for drawing any bill or for any attendance before the Costs Court.