Transfer e-vignette to new licence plate

If you change your vehicle's licence plate (e.g. due to a move, loss or theft), you can transfer your vignette to the new licence plate. The prerequisite for this is that the vehicle and owner remain the same.

https://www.bazg.admin.ch/content/bazg/en/home/services/services-individuals/strassenabgaben-private/vignette-autobahngebuehren/kontrollschildwechsel.html