 Bau, considered by Franco one of the more collaborative Carlists, was appointed one of its seven members; his high nomination was allegedly related to ability to arrange finance through Catalan contacts who had fled abroad.A month later the newly established set up Comisión de Industria, Comercio y Abastos with Bau appointed its president, the de facto minister of economy in the Nationalist zone.As head of 7 commissions formed and one of 16 members of the Junta Técnica, he rapidly grew to top Nationalist executive.