42.13A Where offer accepted
(1) This rule applies if the offer concerned:(a) is made by the plaintiff and accepted by the defendant,
or
(b) is made by the defendant and accepted by the
plaintiff.
(2) The plaintiff is entitled to an order against the defendant for
the plaintiff’s costs in respect of the claim, assessed on the ordinary
basis up to the time when the offer was made, unless:(a) the offer states that it is a verdict for the defendant and the
parties are to bear their own costs, or
(b) the court orders otherwise.