PART 2 - INTERNATIONAL CRIMES AND OFFENCES AGAINST ADMINISTRATION OF JUSTICE
Offences against administration of justice
21.
Interference with witnesses or officials—
Every person is liable on conviction on indictment to imprisonment for a term not exceeding 7 years who, in New Zealand or elsewhere,—
(a)dissuades or attempts to dissuade any person, by threats, force, bribery or other means, from giving evidence for the purposes of a proceeding before the ICC or in connection with a request made by the ICC; or
(b)makes threats or uses force against any Judge, the Registrar, the Deputy Registrar, or any official of the ICC with intent to influence or punish that person, in respect of an act—
(i)done or omitted by that person or any Judge, the Registrar, the Deputy Registrar, or any official of the ICC, in his or her official capacity; or
(ii)to be done or omitted by that person or any Judge, the Registrar, the Deputy Registrar, or any official of the ICC, in his or her official capacity; or
(c)intentionally attempts in any other way to obstruct, prevent, pervert, or defeat the course of justice, in relation to any proceedings, request, or other matter referred to in the Statute.
Cf 1961 No 43 s 117
Corruptly influencing a witness, obstructing or interfering with the attendance or testimony of a witness, retaliating against a witness for giving testimony or destroying, tampering with or interfering with the collection of evidence
Impeding, intimidating or corruptly influencing an official of the Court
EDIT.