7. (2)
(1.b) visit any establishment or place without giving prior notice, and to enter upon any land or premises for any purpose which is material to the fulfillment of the Commission's mandate and in particular, for the purpose of obtaining information or inspecting any property or taking copies of any documents which may be of assistance to the Commission, and for safeguarding any such property or document;
1. States Parties shall, in accordance with the provisions of this Part and under procedures of national law, comply with requests by the Court to provide the following assistance in relation to investigations or prosecutions:
(b) The taking of evidence, including testimony under oath, and the production of evidence, including expert opinions and reports necessary to the Court;