GENERAL PROVISIONS
CHAPTER II
VALIDITY OF A CRIMINAL LAW
Article 9. Extradition
3. It shall be allowed not to extradite a citizen of the Republic of Lithuania or an alien where :
4) the person has been convicted of the criminal act committed, acquitted or released from criminal liability or penalty ;
Complementarity
Ne bis in idem
Ne bis in idem - foreign court
Ne bis in idem - ICC
Admissibility challenge - ne bis in idem
EDIT.