PART I—PRELIMINARY
Offences Against Administration of Justice
19. (2) In addition to the grounds of refusal or postponement specified in Parts IV and V, a request for surrender or other assistance that relates to an offence involving the administration of justice may be refused if, in the opinion of the Minister or the Attorney-General, as the case may be, there are exceptional circumstances that would make it unjust or oppressive to surrender the person or give the assistance requested.
Postponement of execution of ICC request
Refusal of ICC request
Postponement - admissibility challenge
Postponement - ongoing investigation or prosecution
Refusal of ICC request - protection of national security
Refusal of ICC request - competing request
EDIT.