(1) This rule applies if, after a Notice Disputing Itemised Costs Account disputing an itemised costs account has been filed under subrule 19.24(3), a party or a party's lawyer:
(a) fails to comply with these Rules or an order; or
(b) puts another party to unnecessary or improper expense or inconvenience.
(2) The Registrar may:
(a) order the party to pay costs; or
(b) disallow all or part of the costs in the account.