PART III—GENERAL PROVISIONS RELATING TO REQUESTS FOR ASSISTANCE
20. (1) This Part shall apply to a request by the ICC for assistance that is made under—
(a) Part 9 of the Rome Statute, in relation to—
(ii) the identification and whereabouts of persons or the location of items;
Identification and whereabouts of persons - authority - ICC proceedings
Location of items - authority - ICC proceedings
EDIT.