te treaty on european union lays down member responsibilities connection with the application of you law the commission as guardian of the treaties granted competence and responsibility for that
The Treaty on European Union lays down Member States' responsibilities in connection with the application of EU law, while the Commission, as guardian of the treaties, is granted competence and responsibility for ensuring that the law is applied correctly.
The Treaty on European Union lays down Member responsibilities connection with the application of EU law, the Commission, as guardian of the treaties, granted competence and responsibility for that law is applied correctly.