Case C-228/20: Judgment of the Court (Second Chamber) of 7 April 2022 (request for a preliminary ruling from the Niedersächsisches Finanzgericht — Germany) — I GmbH v Finanzamt H (Reference for a preliminary ruling — Common system of value added tax (VAT) — Directive 2006/112/EC — Article 132(1)(b) — Exemptions for certain activities in the public interest — Exemption for hospital and medical care — Private hospital — Duly recognised establishment — Comparable social conditions)