Judgment of the Court (Sixth Chamber) of 14 November 2024.#European Commission v Republic of Bulgaria.#Failure of a Member State to fulfil obligations – Environment – Prevention and management of the introduction and spread of invasive alien species – Regulation (EU) No 1143/2014 – Article 14(1) and (2) – Obligation to establish a surveillance system of invasive alien species of EU concern – Article 13(2) and (5) – Obligations to establish and implement one single action plan or a set of action plans and to transmit that or those action plans to the Commission without delay.#Case C-165/23.