Obligation to hold a visa with regard to exercising gainful occupation:
in the primary or secondary construction industry and civil engineering, catering and hotel services, industrial and private cleaners, surveillance and security services, and erotic services;
gainful occupation of any another kind, if such occupation exceeds 8 days within a calendar year.
Exemption to hold a visa with regard to exercising gainful occupation:
Holders of a longterm residence permit issued by a Schengen member state or a valid type D visa, provided they also hold a recognized travel document.
(M: D, S, SP)
Holders of a diplomatic, service or special passport are exempt from visa requirements if they wish to enter into Switzerland: on an official mission or for other travel purposes without exercising a gainful occupation.
Third state members in possession of both a valid residence permit issued by a Schengen member state or a valid type D visa and a recognized and valid travel document are exempt from visa requirements.