Revisions of the constitution into this federal construct must be confirmed by cantonal referendum. Any canton holding such referendum and abiding by its results shall be able to oppose itsrights to the Federal Government and other cantons even if they have not held their referendum.
Other changes concerning the territory of a canton may be affected by agreements between the concerned canton or by a federal law with the consent of the concerned cantons. The law must provide affected Municipalities with an opportunity to be heard.
Each canton may revise the division of its existing territory or parts of its territory. Affected Municipalities shall be afforded an opportunity to be heard.
A majority of the votes cast in a referendum shall be decisive, provided the majority vote amounts to at least one quarter of those entitled to vote in cantonal Parliament elections. Only voters allowed to vote in the cantonal Elections (cantonal Citizens) are entitled to participate in cantonal referendum votes (general or partial). This revision shall not require the consent of the Federal Parliament.
