The Criminal Procedure Rules 2005

Expert evidence in connection with special measures directions

29.8.  Any party to proceedings in a magistrates' court or the Crown Court who proposes to adduce expert evidence (whether of fact or opinion) in connection with an application or renewal application for, or for varying or discharging, a special measures direction must, not less than 14 days before the date set for the trial to begin—

(a) furnish the other party or parties to those proceedings with a statement in writing of any finding or opinion which he proposes to adduce by way of such evidence; and

(b) where a request is made to him in that behalf by any other party to those proceedings, provide that party also with a copy of (or if it appears to the party proposing to adduce the evidence to be more practicable, a reasonable opportunity to examine) the record of any observation, test, calculation or other procedure on which such finding or opinion is based and any document or other thing or substance in respect of which any such procedure has been carried out.

[Note. Formerly rule 9 of the Magistrates' Courts (Special Measures Directions) Rules 2002 and rule 9 of the Crown Court (Special Measures Directions and Directions Prohibiting Cross-examination) Rules 2002.]