The EPPO shall be responsible for investigating, prosecuting and bringing to judgment the perpetrators of, and accomplices to, criminal offences affecting the financial interests of the Union which are provided for in Directive (EU) 2017/1371 and determined by this Regulation. In that respect the EPPO shall undertake investigations, and carry out acts of prosecution and exercise the functions of prosecutor in the competent courts of the Member States, until the case has been finally disposed of.