Court of Justice 15 March 2018, Case C-431/16: Judgment of the Court (Tenth Chamber) of 15 March 2018 (request for a preliminary ruling from the Tribunal Superior de Justicia de Castilla y León — Spain) — Instituto Nacional de la Seguridad Social (INSS), Tesorería General de la Seguridad Social (TGSS) v José Blanco Marqués (Reference for a preliminary ruling — Social security for migrant workers — Regulation (EEC) No 1408/71 — Articles 12 and 46a to 46c — Benefits of the same kind — Definition — Rule against overlapping — Definition — Conditions — National rule providing for a supplement to the total permanent incapacity pension for workers of at least 55 years of age — Suspension of the supplement in the event of employment or receipt of a retirement pension)

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