(1) A party may withdraw all or part of the answer to counterclaim.
(2) A defendant or respondent may withdraw all or part of the defence.
(3) A respondent may withdraw all or part of an affidavit.
(4) However, subrules (1) , (2) and (3) do not enable a party to withdraw, without the other party’s consent or the court’s leave, an admission or another matter operating for the benefit of the other party.