Its national debt brake has been in force since 2003, since which time debt has levelled off, and the debt ratio has been on the decline. The debt brake was introduced by  9  Lars P Feld, A Kalb, M-D Moessinger and S Osterloh (2013), Sovereign Bond Market Reactions to Fiscal Rules and No-Bailout Clauses: The Swiss Experience.
BIS central bankers’ speeches  7  way of referendum, which increases its binding force, as violations explicitly run counter to the will of the people. Incidentally, we can gain even more detailed insights from the cantonal fiscal rules, which are now in place in nearly all the country’s cantons.