Judgment of the General Court (Third Chamber, Extended Composition) of 27 January 2021.#Republic of Poland v European Commission.#Environment – Directive 2010/75/EU – Industrial emissions – Implementing Decision (EU) 2017/1442 – Large combustion plants – Best available techniques (BAT) conclusions – Article 16(4) and (5) TEU – Article 3(2) and (3) of Protocol (No 36) on transitional provisions – Application of the law ratione temporis – Comitology.#Case T-699/17.