Useful links: vehicle import, customs & registration in Switzerland
If you searched for “1320” or “form 13.20 A”, you usually want reliable sources quickly. Here are curated starting points plus the most important internal pages.
Official sources & resources
Swiss Customs (FOCBS) – information & contact
Official entry point for customs topics (import/export, clearance, requirements).
https://www.bazg.admin.ch/
Cantonal road traffic authorities – vehicle registration
Responsible for vehicle registration. Requirements may vary by canton.
https://www.ch.ch/en/vehicles-and-traffic/vehicles/car/
ch.ch – vehicles & traffic
Overviews and official information about vehicle-related administrative topics.
https://www.ch.ch/en/vehicles-and-traffic/
Tip: Requirements can change and may vary by canton/situation. When in doubt, always check official sources.