Each Member State shall take the necessary measures to ensure that the conduct referred to in Article 1, and participating in, instigating, or attempting the conduct referred to in Article 1 (1), are punishable by effective, proportionate and dissuasive criminal penalties, including, at least in cases of serious fraud, penalties involving deprivation of liberty which can give rise to extradition, it being understood that serious fraud shall be considered to be fraud involving a minimum amount to be set in each Member State.
