Judgment of the Court (Third Chamber) of 11 November 2021.#BJ and OV v Mrs M and Others.#Request for a preliminary ruling from the High Court of Justice Business and Property Courts of England and Wales.#Reference for a preliminary ruling – Freedom of movement of persons – Citizenship of the Union – Article 21 TFEU – Freedom of establishment – Article 49 TFEU – Equal treatment – Directive 2004/38/EC – Article 24(1) – Legislation of the United Kingdom of Great Britain and Northern Ireland making the exclusion, in principle in full and automatically, from the bankruptcy estate of pension rights accrued under a pension scheme dependent on prior registration of the pension scheme with the tax authorities – Application of that requirement in bankruptcy proceedings in respect of an EU citizen who has exercised his right to freedom of movement in order to pursue a self-employed occupation in the United Kingdom on a permanent basis – That EU citizen’s pension rights accrued under a pension scheme established and tax approved in his home Member State – Inability to avail of the protection of exclusion from the bankruptcy estate of those pension rights – Application to those pension rights of a system of exclusion from the bankruptcy estate significantly less advantageous to the bankrupt.#Case C-168/20.