28.—(1) The appellant may admit any fact or matter specified in the respondent’s papers, being a fact or matter which the respondent has indicated he proposes to adduce in evidence at the hearing of the appeal, and the admission shall as against the appellant be conclusive evidence in the appeal of the fact or matter admitted.
(2) An admission under this rule—
(a)may be made before or at the hearing of the appeal to which it relates;
(b)if made otherwise than at the hearing, shall be in writing; and
(c)may only be made if the appellant is legally represented and, where it is made in writing, shall be signed by the appellant’s legal adviser on his behalf.
(3) An admission under this rule may be withdrawn with the leave of the court.
(4) This rule is without prejudice to section 10 of the Criminal Justice Act 1967 (as it has effect in relation to proceedings before the court by virtue of rule 27 and Schedule 3).