Si hay bancos que no acuden, es un tema de cada una de esas entidades financieras, pero que, por parte de la Unión Europea, por parte del Banco Central Europeo, no existe ningún tipo de restricción en ese sentido.
If there are banks which do not make use of this, that is a matter for each of these financial bodies; however, there are no forms of restriction as far as the European Union or the European Central Bank are concerned.