Judgment of the General Court (Ninth Chamber) of 23 September 2020.#Kingdom of Spain v European Commission.#External relations – Technical cooperation – Electronic communications – Regulation (EU) 2018/1971 – Body of European Regulators for Electronic Communications – Article 35(2) of Regulation 2018/1971 – Participation of regulatory authorities of third countries in that body – Participation of the national regulatory authority of Kosovo – Concept of third country – Error of law.#Case T-370/19.