Part IV
Enforcement of criminal judgements
CHAPTER I
Enforcement of foreign criminal judgements
Article 96
Specific requirements
1. Any request for the enforcement in Portugal of a foreign criminal judgement shall be admissible only subject to the general requirements provided for in this law, as well as the following requirements:
d) the facts involved must not be the subject of criminal proceedings in Portugal;
Ne bis in idem - ICC
Ne bis in idem - State's own court
EDIT.