Chapter II Cooperation with the International Criminal Court
Section 2 Provision of Evidence, etc.
Subsection 1 Provision of Evidence
(Measures by the Minister of Justice)
Article 6 (3) When the request for cooperation prescribed in paragraph (1) pertains to the provision of documents that are connected with a legal action and that are being retained by a court, a public prosecutor, or a judicial police officer, the Minister of Justice shall send the custodian of such documents the documents concerning the request for cooperation.
Provision of records and documents - national procedures for ICC proceedings
EDIT.