Who Actually Needs to Use CDS?
If you are wondering whether CDS applies to you, the answer is short: if you trade goods across the UK border, yes.
The System
The Customs Declaration Service (CDS) handles every UK import and export declaration. It replaced CHIEF, the 1994 platform retired in stages between 2022 and 2024, and it is built on structured data elements rather than the old numbered boxes. The background is all in this UK Customs Declaration Service guide.
Who Files Through It
Traders, freight forwarders, and customs agents all use the same platform, whether they file one declaration a month or thousands.
Why There Is No Alternative
CHIEF is fully closed. CDS is the only route for UK customs declarations, regardless of business size or trade volume.
The Takeaway
Understanding CDS is now simply part of trading with or from the UK.
FAQs
Do small traders need to learn CHIEF too? No, it is fully closed; CDS is the only system.
Is there a separate system for high-volume filers? No, everyone uses the same CDS platform.
Start with a guided walkthrough. Watch a demo











