Judgment_paragraph 39 · Istituto nazionale della previdenza sociale (INPS) v Tiziana Bruno and Massimo Pettini and Daniela Lotti and Clara Matteucci (C-395/08, C-396/08)

39While it is true that the establishment of the level of the various constituent parts of the pay of a worker falls outside the competence of the European Union legislature and is unquestionably still a matter for the competent bodies in the various Member States, those bodies must nevertheless exercise their competence consistently with European Union law – particularly Clause 4 of the framework agreement – in the areas in which the European Union does not have competence (see, to that effect, Impact, paragraph 129).