Judgment of the Court (Grand Chamber) of 2 September 2021.#X v État belge.#Reference for a preliminary ruling – Directive 2004/38/EC – Article 13(2) – Right of residence of family members of a Union citizen – Marriage between a Union citizen and a third-country national – Retention, in the event of divorce, of the right of residence by a third-country national who is the victim of acts of domestic violence committed by his or her spouse – Requirement to demonstrate the existence of sufficient resources – No such requirement in Directive 2003/86/EC – Validity – Charter of Fundamental Rights of the European Union – Articles 20 and 21 – Equal treatment – Difference in treatment based on whether the sponsor is a Union citizen or a third-country national – Non-comparability of situations.#Case C-930/19.