Judgment of the Court (Eighth Chamber) of 30 May 2024.#Autoridad Portuaria de Bilbao v European Commission.#Appeal – State aid – Ports sector – Corporate tax exemption scheme implemented by Spain in favour of ports in the province of Biscay – Decision declaring the aid incompatible with the internal market – Existing aid – Advantage – Burden of proof – Appropriate measures.#Case C-110/23 P.