153. Defendant's offer

(1) Subject to Rules 164 and 165, a Part 18 offer by a defendant to pay a sum of money in settlement of a claim must be an offer to pay a single sum of money.
(2) A defendant's offer that includes an offer to pay all or part of the sum at a date later than 14 days following the date of acceptance will not be treated as a Part 18 offer unless the offeree accepts the offer.