Ruling no 212 of 18 March 2021 (17-20.226) – Cour de cassation (Court of Cassation) – Second Civil Chamber – ECLI:FR:CCAS:2021:C200212 – Equivalence in national law of a social benefit obtained from another Member State under the Article 5 of Regulation EC No 883/2004 of the European Parliament and of the Council of 29 april 2004 : application of the terms and conditions specified by the CJEU in response to the question referred for a preliminary ruling