- Guidance on UK customs information for England, Scotland, and Wales
- Rules for travellers entering Northern Ireland are different
- Details on what can and cannot be brought into the UK
- Duty to protect the UK from harmful goods and smugglers
- Risks and consequences of smuggling goods
- Information on declaring goods for personal or commercial use
- Instructions on using the green channel or red channel/phone when going through customs
- Guidelines for declaring personal, commercial goods, or making a declaration when entering the UK from another country
Source: gov.uk
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.