Case T-699/17: Judgment of the General Court of 27 January 2021 — Poland v 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)