He was the rapporteur of the Political Reform Act in 1976 that allowed the elimination of the governmental structures of the Franco regime and initiated the democratic transition.
He worked as, among other things, an academic teacher at the Complutense University of Madrid, where he became professor of labour law.
In 1973 he became the general director of the Instituto Español de Emigración, an institution dealing with migration policy.
[3] In 2014, the Argentine judge María Romilda Servini issued an arrest and extradition order against several former ministers of the Franco dictatorship.
[5][6] The request for extradition was refused by the Spanish National Court on the basis that the statute of limitations had run out on the accusation against him.