It has been introduced in several cantons starting in the late 19th century but by 1974 , it has been abolished everywhere except in Schaffhausen .
Compulsory voting has never existed at the national level in Switzerland .
voting has been introduced in several cantons starting in the late 19th century but by 1974 , voting has been abolished everywhere except in Schaffhausen .
Compulsory voting has never existed at the national level in Switzerland .