Opinion of Advocate General Hogan delivered on 12 November 2020.#European Commission v Hungary.#Failure of a Member State to fulfil obligations – Common organisation of the markets in agricultural products – Regulation (EU) No 1308/2013 – Article 34 TFEU – Selling prices of agri-food products – Minimal profit margins to be applied in the retail trade of those products.#Case C-400/19.