Compulsory referendum

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A compulsory referendum or referendum is used when a referendum on constitutional or legislative changes is mandatory.

In Switzerland , referendums at the federal level are prescribed in several cases by the federal constitution, see Mandatory referendum . A referendum can be taken against laws that are not subject to mandatory referendum , see Optional referendum .

In the Swiss cantons and in individual states of the USA , a referendum is also required on government spending or government debt above a certain level. A referendum is also required by law for constitutional amendments in Bavaria , Hesse and almost all US states.