The application of administrative measures, penalties and fines as laid down in Union law, in particular those within the meaning of Articles 4 and 5 of Regulation (EC, Euratom) No 2988/95, or in national law adopted in compliance with a specific obligation under Union law, shall be without prejudice to this Directive. Member States shall ensure that any criminal proceedings initiated on the basis of national provisions implementing this Directive do not unduly affect the proper and effective application of administrative measures, penalties and fines that cannot be equated to criminal proceedings, laid down in Union law or national implementing provisions.