(1) A party may serve notice on another party requiring that other party to admit the facts or the part of the first party's case specified in the notice.
(2) A notice to admit facts must be served no later than 42 days before the trial.
(3) If the other party makes any admission in response to the notice to admit facts, the admission may be used against that party only —
(a) by the party who served the notice; and
(b) in the proceedings in which the notice is served.
(4) If the party served with the notice to admit does not admit the facts set out in the notice within 21 days of service of the notice upon that party, the court may assess the costs incurred by the party serving the notice in proving such facts and order the party served with the notice to pay such costs.
• Rule 65.11 deals with assessment of costs.