Schanzer was a member of the
Council of State and then became the director general of the civil administration at the
Ministry of the Interior. He was elected to the
Italian Parliament in 1900 and to the
Italian Senate in 1919. He was appointed
minister of posts to the
third Giolitti cabinet{{cite journal|author=Gabriele Balbi|title=The Origins of the Telephone in Italy, 1877–1915: Politics, Economics, Technology and Society During the
Fascist rule in Italy Schanzer continued his public activities and was appointed minister of state in December 1928. Following the end of the Fascist period
Carlo Sforza, high commissioner for the sanctions against fascism, proposed Schanzer's forfeiture on 7 August 1944 based on the verdict of the a higher court dated 21 October 1944. Against the order Schanzer appealed to the
Supreme Court of Cassation which annulled the forfeiture on 8 July 1948. ==Personal life and death==