Costs of proceedings under these rules are to be quantified as follows —
(a) where rule 65.4 applies – in accordance with the provisions of that rule; and
(b) in all other cases if, having regard to rule 64.6, the court orders a party to pay all or any part of the costs of another party, in one of the following ways —
(i) costs determined in accordance with rule 65.5 (“prescribed costs”),
(ii) costs in accordance with a budget approved by the court under rule 65.8 (“budgeted costs”), or
(iii) (if neither prescribed nor budgeted costs are applicable), by assessment in accordance with rules 65.11 and 65.12.