Judgment of the Court (Fifth Chamber) of 13 February 2025.#Criminal proceedings against ILVA A/S.#Request for a preliminary ruling from the Vestre Landsret.#Reference for a preliminary ruling – Protection of personal data – Regulation (EU) 2016/679 – Article 83(4) to (6) and (9) – Concept of an ‘undertaking’ – Parent company and subsidiary – Infringement of that regulation by a subsidiary – Calculation of the amount of the fine – Consideration of the total turnover of the group of which that subsidiary forms part.#Case C-383/23.