Amendment of Pleadings
9. Order 20 shall be amended by inserting, after rule 11, the following new rule:—
“Amendment of pleadings by agreement
12.—(1) Notwithstanding the foregoing provisions of this Order any pleading in a cause or matter in the Chancery Division may, by written agreement between the parties, be amended at any stage of the proceedings.
(2) This rule shall not have effect in relation to an amendment to a counterclaim which consists of the addition omission or substitution of a party.”.