CELEX:62020CJ0177: Judgment of the Court (Third Chamber) of 10 March 2022.#ˮGrossmaniaˮ Mezőgazdasági Termelő és Szolgáltató Kft v Vas Megyei Kormányhivatal.#Request for a preliminary ruling from the Győri Törvényszék.#Reference for a preliminary ruling – Principles of EU law – Primacy – Direct effect – Sincere cooperation – Article 4(3) TEU – Article 63 TFEU – Obligations on a Member State as a result of a preliminary ruling – Interpretation of a provision of EU law given by the Court in a preliminary ruling – Obligation to give full effect to EU law – Obligation for a national court to disapply national legislation which contravenes EU law as interpreted by the Court – Administrative decision which became final in the absence of a challenge before the courts – Principles of equivalence and effectiveness – Liability of the Member State.#Case C-177/20.