19. (1) No person shall disclose to anyone a foreign document, its purport, or any part of its contents, except —
(a) for —
the purpose of the investigation or the criminal proceedings to which the request giving rise to the document relates; or
any other purpose for which the Commonwealth country carrying out the request has given consent; or
(b) after the document is made public for a purpose referred to in paragraph (a).
(a) The Court shall ensure the confidentiality of documents and information, except as required for the investigation and proceedings described in the request.
(b) The requested State may, when necessary, transmit documents or information to the Prosecutor on a confidential basis. The Prosecutor may then use them solely for the purpose of generating new evidence.
(c) The requested State may, on its own motion or at the request of the Prosecutor, subsequently consent to the disclosure of such documents or information. They may then be used as evidence pursuant to the provisions of Parts 5 and 6 and in accordance with the Rules of Procedure and Evidence.