Judgment of the Court (Eighth Chamber) of 14 October 2021.#F.C.I. v Instituto Nacional de la Seguridad Social (INSS).#Reference for a preliminary ruling – Directive 79/7/EEC – Article 3(2) – Equal treatment for men and women in matters of social security – Survivors’ benefits – Survivor’s pension based on a de facto partnership – Exclusion clause – Validity – Prohibition of any discrimination based on sex – Benefit which does not come within the scope of Directive 79/7 – Inadmissibility – Article 21(1) of the Charter of Fundamental Rights of the European Union – Non-discrimination on grounds of sex – Article 17(1) of the Charter of Fundamental Rights of the European Union – Right to property – Legal situation which does not come within the scope of EU law – Lack of jurisdiction.#Case C-244/20.