(1) The court may make an order under this rule where —
(a) a party or his legal practitioner, fails to comply with a rule, practice direction or court order; or
(b) it appears to the court that the conduct of a party or his legal practitioner, before or during the proceedings, was unreasonable or improper.
(2) Where paragraph (1) applies, the court may —
(a) disallow all or part of the costs which are being assessed; or
(b) order the party at fault or his legal practitioner to pay costs to the court or costs to a party which he has caused the party to incur,
or both.
(3) Where the court makes an order under paragraph (2) against a legally represented party and the party is not present when the order is made, the party's legal practitioner shall serve the order on the party.