Part III – General Provisions Relating to Requests for Assistance
20. Requests for assistance.
(1) This Part applies to a request by the ICC for assistance that is made under –
(a) Part 9 of the Statute, namely –
(iii) the taking of evidence, including testimony under oath and the production of evidence, expert opinions, and reports necessary to the ICC;
Taking of evidence - authority - ICC proceedings
Production of evidence - authority - ICC proceedings
EDIT.