If an ISO code is the same as the first two letters of a canton then you can skip typing those two letters if you wanted to. Examples with countries: RU=SSIA, FR=ANCE, IT=ALY, CA=NADA, BR=AZIL, EG=YPT
The 4 Languages of Switzerland are supported for all answers (German, Italian, French, Romansh)
⬆️ Deutsch, Français, Italiano, Rumantsch type-in support