The most important piece of structural content for the Swiss countries is the Swiss Confederation IO:

The backbone of the IO is its laws, which the different members may vote on repeatedly:

Inside each IO Law, there might be several policies, which may shape the functionality of the IO, causing different effects on its members:

E.g.: What is considered a Swiss country is something not completely set in stone in 1337, and there's a Law which will set the policy of the Confederation regarding which countries may be accepted into it, depending on their primary culture: