It is a law of Switzerland and Liechtenstein, issued by the Central Bank of Switzerland.
The Swiss franc is the name and unit of the federal currency of Switzerland.
The unit of coins is centimes. One Swiss franc is equal to 100 centimes.
Denominations of 10, 20, 50, 100, 200 and 1000 Swiss francs were in circulation;
Coins come in denominations of 5, 10, 20 centimes and 1/2, 1, 2, 5 Swiss francs. The Swiss franc is a hard currency.
Used by most of Switzerland’s neighbors.
There are also shops and institutions in Switzerland that use the euro.
The Swiss franc was decoupled from the euro on January 15, 2015.