PART 2 - INTERNATIONAL CRIMES AND OFFENCES AGAINST ADMINISTRATION OF JUSTICE
Jurisdiction to try international crimes
8.
Jurisdiction in respect of international crimes—
(3)If this subsection applies, the maximum term of imprisonment or the maximum fine that may be imposed on the offender is either—
(a)the maximum term or the maximum fine that could have been imposed under the laws of New Zealand at the time of the offence, if that maximum has subsequently been increased; or
(b)the maximum term or the maximum fine that can be imposed on the day on which sentence is to be passed, if that maximum is less than that prescribed at the time of the offence.
National penalties - maximum penalty
Sentencing - national proceedings
EDIT.