PART IV—ARREST AND SURRENDER OF PERSONS TO ICC
Restrictions on Surrender
53. (1) Where the person whose surrender is sought alleges that—
(a) the case is one to which paragraph 1 of article 20 of the Rome Statute applies (because it relates to conduct that formed the basis of crimes for which the person has been convicted or acquitted by the
ICC); or
(b) the person has been tried by another court for conduct also proscribed under article 6, 7, or 8 of the Rome Statute and the case is not one to which paragraph 3 (a) and (b) of article 20 of the Rome Statute applies, the Minister shall immediately consult with the ICC to determine if there has been a relevant ruling on admissibility under the Rome Statute.
Ne bis in idem - foreign court
Ne bis in idem - other international court or tribunal
Admissibility challenge - ne bis in idem
Admissibility challenge - ne bis in idem - consultations with the Court
EDIT.