兴趣爱好On the flip side, if one travels to the country so as to work or study, then he'll have to acquire a work permit or a research visa in addition to the ETA. If you are travelling for business purposes, then you might also acquire either a company passport or a business travel pass. But, these do not come along with a Switzerland Etias. Therefore , this is a legal document that proves that you aren't a resident of the United States or any other foreign nation and consequently, not needed to possess an ETA in addition to a passport or a visa.