22.16.—(1) A party to whom a document is disclosed is deemed to admit the authenticity of that document unless notice is served by that party that the party wishes the document to be proved at the final hearing.
(2) A notice to prove a document must be served—
(a)by the latest date for serving witness statements; or
(b)within 7 days beginning with the date of service of the document, whichever is later.