PART 3 - GENERAL PROVISIONS RELATING TO REQUESTS FOR ASSISTANCE
29.
Confidentiality of request—
(1)A request for assistance and any documents supporting the request must be kept confidential by the New Zealand authorities who deal with the request, except to the extent that the disclosure is necessary for execution of the request.
(2) If the ICC requests that particular information that is made available with a request for assistance be provided and handled in a manner that protects the safety and physical or psychological well-being of any victims, potential witnesses, and their families, the New Zealand authorities must use their best endeavours to give effect to that request.
(3) In this section, the New Zealand authorities are—
(a) the Attorney-General:
(b) the Minister:
(c) every Police employee:
(d) every prison officer:
(e) every employee of or contractor engaged by a New Zealand agency that is authorised to deal with the re-quest
Protection of safety of physical or psychological well-being of victims, witnesses and families
EDIT.