The Swiss authorities online
In Switzerland, vehicles and trailers pay to use motorways and dual carriageways by buying a motorway sticker or ‘vignette’.
The sticker for 2018 costs CHF 40. It is valid from 1 December 2017 until 31 January 2019. Stickers for a day, a week or a month do not exist.
If so, you can send directely your request at the Federal Customs Administration.