Article 51
(1) The Ministry shall, at the request of domestic judicial authorities, obtain from the competent foreign judicial authorities texts of legislation which are applicable or were applicable in other countries, and, if necessary, notifications regarding certain legal issue.
(2) The Ministry shall, at the request of foreign judicial authorities, deliver texts of domestic legislation or notifications on certain legal issue.
6. In performing its functions prior to trial or during the course of a trial, the Trial Chamber may, as necessary:
(b) Require the attendance and testimony of witnesses and production of documents and other evidence by obtaining, if necessary, the assistance of States as provided in this Statute;