CHIEF — Legacy UK Customs System

CHIEF was the UK's Customs Handling of Import and Export Freight system. Import and export declarations have moved to the Customs Declaration Service.

Published by AllwayforwardUpdated 18 Oct 2026

Understand it in practice

A visual breakdown of CHIEF — Legacy UK Customs System: Historical UK records, System transition and Current CDS guidance. The illustration simplifies the concept; the definition and applicable terms determine the details.

Where it fits in the journey

Highlighted stages are commonly relevant

01Agree — commonly relevant
02Prepare
03Transport
04Clear — commonly relevant
05Deliver

THE PICTURE, IN WORDS

CHIEF — Legacy UK Customs System at a glance

Historical UK records
System transition
Current CDS guidance

THE DETAIL THAT MATTERS

Should a new UK declaration use CHIEF?

This is a historical term. For a new declaration, consult current CDS instructions rather than old CHIEF procedures.

ILLUSTRATIVE EXAMPLE

Read older documents in their historical context

If an old supplier checklist asks you to follow CHIEF instructions, refer to current HMRC CDS guidance. Keep the historical document for context without treating it as the current filing workflow.

Read the system name in context

Reference	How to use it
CHIEF / older E2 records	Historical UK declaration context
CDS	Current UK import and export declaration guidance
EORI	Customs identification; not the declaration system

Hand-drawn customs checkpoint and shipping documents illustrating border clearance. — Customs & duties in context · original educational illustration, not a photograph of a shipment.

Before you book

For customs & duties, have these details ready:

Product materials, use and manufacturing origin
The legal importer and appointed representative
Current destination rules and supporting records

Explore customs & duties support

Sources & further reading

Plain-language educational guidance. The applicable contract, carrier tariff, official rules or insurance policy takes precedence. Illustrations show concepts, not a specific shipment or facility.

Published by Allwayforward as a plain-language freight reference. Examples are illustrative, not customer case studies. For a correction, send the term and supporting source.