(b)irregularities that give rise to the initiation of administrative or judicial proceedings at national level in order to establish the presence of fraud or other criminal offences, as referred to in points (a) and (b) of Article 3(2) and Article 4(1), (2) and (3) of Directive (EU) 2017/1371 and point (a) of Article 1(1) of the Convention drawn up on the basis of Article K.3 of the Treaty on European Union, on the protection of the European Communities' financial interestsnote for the Member States not bound by that Directive;