Polity Atlas
LawPrimary source

Federal Constitution of the Swiss Confederation, Arts. 138–141 (Initiative and Referendum)

Swiss Federal Authorities (Fedlex) · 1999

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Type
Law
Accessed
2026-09-01

Claims citing this source

1 claims
EstablishedSwitzerland's optional referendum dates from 1874 (50,000 signatures within 100 days) and the federal popular initiative for partial revision from 1891 (100,000 signatures within 18 months). By end-2025, 26 of 237 initiatives voted had been accepted.