Judgment of the Court (Grand Chamber) of 17 December 2020.#European Commission v Republic of Slovenia.#Failure of a Member State to fulfil obligations – Article 343 TFEU – Privileges and immunities of the European Union – Statute of the European System of Central Banks (ESCB) and of the European Central Bank (ECB) – Article 39 – Privileges and immunities of the ECB – Protocol on the privileges and immunities of the European Union – Articles 2, 18 and 22 – Principle of the inviolability of the archives of the ECB – Seizure of documents at the premises of the Central Bank of Slovenia – Documents connected to the performance of the tasks of the ESCB and of the Eurosystem – Article 4(3) TEU – Principle of sincere cooperation.#Case C-316/19.