PART V
DOMESTIC PROCEDURES FOR OTHER TYPES OF CO-OPERATION
Taking evidence and producing documents
87. (1) The following persons may appear and be legally represented at a hearing held under section 83 or 84—
(a) the person to whom the proceeding before the ICC or the investigation conducted by the Prosecutor relates;
(b) any other person giving evidence or producing documents or other articles at the hearing; and
(c) a representative of the Prosecutor or ICC.
(2) Subsection (1) applies subject to any contrary provision of the Statute or the Rules.
Facilitating voluntary appearance of persons - authority - ICC proceedings
EDIT.