36As for Article 5 of Regulation No 1408/71 and Article 9(1) of Regulation No 883/2004, they impose on Member States a duty to declare the laws and schemes relating to social security benefits which fall within the scope ratione materiae of those regulations and with which the Member States are required to comply, while respecting the requirements stemming from Article 4(3) TEU.
Source: EUR-Lex, © European Union, 1998-2026. Reuse authorised under Decision 2011/833/EU.