Usually I don't spend too much time looking up things for folk with no info in their Profile as there no clue as to what level of knowledge or interest they have. Of course, I suppose I could check your other posts to find out...
Do you speak Italian?
Have you experience at the job in another country?
Is this a serious plan or just a vague idea?
Have you connections with the sport in Switzerland?
Two links Fussball Referee Site Basketball Referee Site
Now the ball, quite literally, is in your court.