Judgment of the Court (Sixth Chamber) of 26 March 2026.#UD, VO, GT et KJ, en leur nom propre et en tant qu’associés de la Società Agricola UD e co. and Others v Agenzia Veneta per i pagamenti (AVEPA).#Request for a preliminary ruling from the Consiglio di Stato.#Reference for a preliminary ruling – Agriculture – Milk and milk products – Regulation (EC) No 595/2004 – Deliveries made to non-approved purchasers – Article 24(1) – Concept of ‘penalty’ – Additional levy payable by the producer – Levy calculated on the basis of the total quantity of the product delivered – Proportionality – Rights of the defence and right to an effective remedy.#Case C-294/25.