Preamble: (23) The scope of this Directive is determined in such a way as to complement, and ensure the effective implementation of, Regulation (EU) No 596/2014. Whereas offences should be punishable under this Directive when committed intentionally and at least in serious cases, sanctions for breaches of Regulation (EU) No 596/2014 do not require that intent is proven or that they are qualified as serious. In the application of national law transposing this Directive, Member States should ensure that the imposition of criminal sanctions for offences in accordance with this Directive and of administrative sanctions in accordance with the Regulation (EU) No 596/2014 does not lead to a breach of the principle of ne bis in idem.
Article 50 - Right not to be tried or punished twice in criminal proceedings for the same criminal offence