Court of Justice 6 June 2002, C-347/00 (Ángel Barreira Pérez v Instituto Nacional de la Seguridad Social (INSS) and Tesorería General de la Seguridad Social (TGSS).)

Opinion of the Advocate-General Opinion of the Advocate-General 1. With the aim of helping to establish freedom of movement for workers, Council Regulation No 1408/71 provides that, where a national of a Member State cannot establish a period of affiliation or of employment sufficient to entitle him to a retirement pension in that State, periods of insurance or of employment completed by the