36The justifications put forward by the Hellenic Republic in this regard, namely that the delay in complying with that judgment was attributable to internal difficulties connected with the legislative procedure and the holding of early elections, cannot be accepted. As the Court has repeatedly held, a Member State cannot plead provisions, practices or situations prevailing in its domestic legal order to justify failure to observe obligations arising under European Union law (see, inter alia, Case C-568/07Commission v Greece, paragraph 50).