HMRC Guidance: Guidance Using a suppliers’ declaration to support a proof of origin

Supplier declarations are where your UK supplier provides you with information needed to prove the origin of your goods for preferential rates of duty between the UK and other countries.

Contents

1. When you need a suppliers’ declaration
2. When you do not need a suppliers’ declaration
3. Types of suppliers’ declarations
4. Where to include suppliers’ declarations
5. What to include on a suppliers’ declaration

Source gov.uk