Judgment of the Court (Second Chamber) of 17 September 2020.#Ministre de l'Agriculture et de l'Alimentation v Compagnie des pêches de Saint-Malo.#Request for a preliminary ruling from the Conseil d'État (France).#Reference for a preliminary ruling – State aid – Concept – Wreck of the oil tanker Erika – Aid scheme for aquaculture and fisheries undertakings – Decision declaring the aid scheme partly incompatible with the common market and ordering the recovery of the aid paid out – Assessment of validity – Examination of the Court’s own motion – Admissibility – Failure to bring an action for annulment by the defendant in the main proceedings – Reduction in social security contributions – Employees’ contributions – Advantage – Question of who is liable for repayment.#Case C-212/19.