Part IV
Enforcement of criminal judgements
CHAPTER I
Enforcement of foreign criminal judgements
Article 101
Applicable law; effects of enforcement
4. Both the foreign State and Portugal may exercise the right of amnesty, pardon or commutation.
5. The court which is empowered to enforce the judgement shall end the enforcement:
a) as soon as it comes to its knowledge that the sentenced person was granted amnesty, pardon or commutation in such a way as to justify the end of the enforcement of the sentence and the ancillary
EDIT.