Update July 21, 2021: The Switzerland Origin Reference Document has been updated and moved to the Reference Documents for The Customs (Preferential Trade Arrangements) (EU Exit) (Amendment No 2) Regulations 2021 page.
Find the UK’s preferential tariffs and Rules of Origin for the agreements contained with the Customs Tariff (Preferential Trade Arrangements) (EU Exit) Regulations 2020.
Source gov.uk