PART 7 - PERSONS IN TRANSIT TO ICC OR SERVING SENTENCES IMPOSED BY ICC
Enforcement of sentences in New Zealand
141.
Prisoner to be held in custody—
(3)Despite subsection (2) and any other enactment,—
(c) the ICC prisoner must not, without the prior agreement of the ICC, be—
(i) temporarily released from custody under section 62 of the Corrections Act 2004; or
(ii) temporarily removed from prison under section 62 of the Corrections Act 2004 unless that re-moval is to a hospital:
Non-modification of sentence by State
EDIT.