Following Carranza's assassination and Adolfo de la Huerta's election as the Interim President of Mexico on 1 June 1920,[REF] Alvarado was named Secretary of the Treasury [REF].
In 1921 de la Huerta handed over power from his interim government to Álvaro Obregón[REF] and Alvarado left the Treasury and began working as the Director of Free Ports and Secretary of the Advisory Board of Petroleum [REF].