Judgment of the General Court (Third Chamber) of 25 January 2023.#GEA Group AG v European Commission.#Competition – Agreements, decisions and concerted practices – European markets for tin-based heat stabilisers and for heat stabilisers with epoxidised soybean oil and esters as their base – Application of the ceiling of 10% of turnover to one of the entities forming the undertaking – Annulment of the decision amending the fine imposed in the initial infringement decision – Admissibility – Interest in bringing proceedings – Fines – Limitation period – Concept of an ‘undertaking’ – Joint and several liability for payment of the fine – Rights of the defence – Right to a hearing – Equal treatment – Date by which the fine is payable in the event of amendment – Statement of reasons.#Case T-640/16 RENV.