Is it possible to have the appeal in the cases of sanctions with extinction of a benefit for unemployment and return of less than 3,000 euros? On the occasion of the June 23, 2015 STS, ECR 1647/2014. (2016). Revista de Derecho de la Seguridad Social, Laborum. https://revista.laborum.es/index.php/revsegsoc/article/view/201