UncategorizedStatutory guidance: Reference Document for The Customs (Origin of Chargeable Goods) (EU Exit) Regulations 2020 Find out about the product-specific rules, to determine the origin of imports outside of a preferential agreement. Guidance: Trade and commercial contacts for Community System Providers Guidance: Apply for a certificate to confirm you pay UK National Insurance when working in a country that has a social security agreement with the UK (CA9107)