PART IV—ARREST AND SURRENDER OF PERSONS TO ICC
Restrictions on Surrender
51. (2) The Minister may refuse a request by the ICC for
                     the surrender of a person if—
                (a) there are competing requests from the ICC and a
                     State that is not a party to the Rome Statute 
                     relating to the same conduct and section 59 (4)
                     applies; or
               (b) there are competing requests from the ICC and a
                     State that is not a party to the Rome Statute
                     relating to different conduct and section 60 (3) applies.
Refusal of ICC request - competing request
EDIT.