Judgment of the Court (Grand Chamber) of 22 June 2021.#Proceedings brought by B.#Request for a preliminary ruling from the Satversmes tiesa.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Articles 5, 6 and 10 – National legislation providing for public access to personal data relating to penalty points imposed for road traffic offences – Lawfulness – Concept of ‘personal data relating to criminal convictions and offences’ – Disclosure for the purpose of improving road safety – Right of public access to official documents – Freedom of information – Reconciliation with the fundamental rights to respect for private life and to the protection of personal data – Re-use of data – Article 267 TFEU – Temporal effect of a preliminary ruling – Ability of a constitutional court of a Member State to maintain the legal effects of national legislation incompatible with EU law – Principles of primacy of EU law and of legal certainty.#Case C-439/19.