Disclosure of copiesE+W
31.9—(1) A party need not disclose more than one copy of a document.
(2) A copy of a document that contains a modification, obliteration or other marking or feature—
(a)on which a party intends to rely; or
(b)which adversely affects his own case or another party’s case or supports another party’s case;
shall be treated as a separate document.
(Rule 31.4 sets out the meaning of a copy of a document)