(1) If the —
(a) defendant makes an offer to settle; and
(b) claimant accepts the offer within any period stated for accepting it and before the beginning of the trial,
the claimant is entitled to the costs of the proceedings up to the date of acceptance of the offer.
(2) If the defendant permits a claimant to accept an offer after the time stated for accepting it, the general rule is that the —
(a) claimant is entitled to costs up to the end of the period stated for accepting the offer; and
(b) defendant is entitled to any costs incurred between the end of the period stated for accepting the offer and the date when the offeree accepts the offer,
unless the court orders otherwise.
(3) If the settlement relates only to part of the proceedings and the remaining part or parts of the proceedings continue —
(a) the claimant is entitled under this rule only to the costs relating to that part of the proceedings which has been settled; and
(b) unless the court orders otherwise or the defendant agrees,
the claimant may not recover any such costs, nor have them quantified, until the conclusion of the rest of the proceedings, when the court can deal with the costs of the whole of the proceedings including any costs relating to those parts of the proceedings that were not settled.