In August 1976, he linked the Spanish Union Federation of Liberals and Democrats Matches of Joaquin Garrigues Walker and the Liberal Party of Enrique Larroque, constituting the Liberal Alliance, of which he was elected president.
En agosto de 1976, vinculou Unión Española á Federación de Partidos Demócratas e Liberais de Joaquín Garrigues Walker e ao Partido Liberal de Enrique Larroque, constituíndo a Alianza Liberal, da que foi elixido presidente.