PART TWO COURSE OF PROCEDURE
Chapter XVI INVESTIGATION
If it is on behalf of the interest of the criminal procedure, of concealing secrets, of the public order and ethical reasons, the official who initiates the investigation will order the persons who are heard or present at the investigation or have an access to the records of the investigation to conceal as secrets certain facts or data which they have learnt and will inform them that revealing secrets is crime. This order will be included in the minutes for the investigation i.e. will be noted on the records with a signature by the person who has been instructed.
3. The requested State shall keep confidential a request for cooperation and any documents supporting the request, except to the extent that the disclosure is necessary for execution of the request.