Judgment of the Court (First Chamber) of 8 July 2021.#C.J. v Région wallonne.#Reference for a preliminary ruling – Agriculture – European Agricultural Fund for Rural Development (EAFRD) – Regulation (EU) No 1305/2013 – Delegated Regulation (EU) No 807/2014 – Young farmers setting up – Farm development – Business start-up aid for young farmers – Conditions of access – Equivalence – Not setting up as sole head of the holding – Upper thresholds – Fixing – Criteria – Standard output of the agricultural holding.#Case C-830/19.