Case C-235/19: Judgment of the Court (First Chamber) of 8 October 2020 (request for a preliminary ruling from the Court of Appeal — United Kingdom) — United Biscuits (Pension Trustees) Limited, United Biscuits Pension Investments Limited v Commissioners for Her Majesty’s Revenue and Customs (Reference for a preliminary ruling — Value added tax (VAT) — Directive 2006/112/EC — Article 135(1)(a) — Exemption of insurance transactions — Supply of pension fund management services to trustees by investment fund managers — Exclusion of any risk indemnity — Occupational pension scheme — National tax practice — Exercise of an insurance activity — Authorised entities — Entities not holding such authorisation — Concept of ‘insurance transactions’)