PART IV
ARREST AND SURRENDER OF PERSON TO ICC
Restrictions on Surrender
56. (1) The Attorney General may postpone the execution of a request for surrender under this Part at any time before the person sought is surrendered if—
(a) a ruling on admissibility of the kind
specified in section 57(1), or 59(1) or 60 is pending before the ICC;
Admissibility challenge
Admissibility challenge - State investigation or prosecution
Admissibility challenge - ne bis in idem
Postponement - admissibility challenge
EDIT.