Case C-54/22 P: Judgment of the Court (Ninth Chamber) of 22 February 2024 – Romania v European Commission, Hungary (Appeal – Law governing the institutions – European Citizens’ Initiative – Regulation (EU) No 211/2011 – Registration of a proposed citizens’ initiative – Article 4(2)(b) – Proposed citizens’ initiative not falling manifestly outside the framework of the European Commission’s powers to submit a proposal for a legal act of the European Union for the purpose of implementing the Treaties – Burden of proof – Power of the Commission to proceed with partial registration)