FREEDOM AND RESPONSIBILITY
Article XXVIII
(6) With the exception of extraordinary cases of legal remedy laid down in an Act, no one shall be prosecuted or convicted for a criminal offence for which he or she has already been finally acquitted or convicted in Hungary or, within the scope specified by an international treaty or a legal act of the European Union, in another State, as provided for by an Act.
Ne bis in idem
Ne bis in idem - foreign court
Ne bis in idem - State's own court
EDIT.