PART 4 - ARREST AND SURRENDER OF PERSON TO ICC
Restrictions on surrender
56.
Postponement of execution of request for surrender—
(1)The Minister may postpone the execution of a request for surrender under this Part at any time before the person sought is surrendered if, and only if,—
(b)the request would interfere with an investigation or prosecution for a different offence against New Zealand law, as provided in section 58; or
Admissibility challenge - State investigation or prosecution
EDIT.