Judgment of the Court (Fifth Chamber) of 14 March 2024.#Budapest Főváros IV. Kerület Újpest Önkormányzat Polgármesteri Hivatala v Nemzeti Adatvédelmi és Információszabadság Hatóság.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Article 58(2)(d) and (g) – Powers of the supervisory authority of a Member State – Paragraph 17(1) – Right to erasure (‘right to be forgotten’) – Erasure of unlawfully processed personal data – Power of the national supervisory authority to order the controller or processor to erase those data without a prior request from the data subject.#Case C-46/23.