Judgment of the Court (Fifth Chamber) of 10 March 2022.#VI v Commissioners for Her Majesty's Revenue and Customs.#Reference for a preliminary ruling – Right to move and reside freely within the territory of the Member States – Article 21 TFEU – Directive 2004/38/EC – Article 7(1)(b) and Article 16 – Child who is a national of a Member State residing in another Member State – Right of residence derived from the parent who is the primary carer of that child – Requirement of comprehensive sickness insurance cover – Child having a permanent right of residence for part of the periods concerned.#Case C-247/20.