2021 Swiss referendums

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Federal referendums were held in Switzerland on 7 March, 13 June, 26 September, and 28 November 2021.^[1] Swiss referendums take three forms: popular initiatives, which are citizen proposals to create a new law and require 100,000 valid signatures on a petition to get on the ballot; facultative or optional referendums, which are citizen proposals to approve or reject a piece of existing law and require 50,000 valid signatures on a petition to get on the ballot; and mandatory referendums, which are required to revise the constitution, join an international organisation or introduce emergency federal legislation for over a year.^[2][3]