“Active Placement Income: Effects of Breach of Required Obligations. Supreme Court Decision of 23 April 2015 (RJ\2015\3822)” (2016) Revista de Derecho de la Seguridad Social, Laborum [Preprint]. Available at: https://revista.laborum.es/index.php/revsegsoc/article/view/204 (Accessed: 6 November 2026).