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September is the last month for importers to switch to the single customs platform, warns HMRC

Updated: Sep 6, 2022

The new Customs Declaration Service (CDS) is replacing the Customs Handling of Import and Export Freight system (CHIEF), with CHIEF closing for import declarations on 30 September. From the 1st of October, importers will only be able to submit declarations for imports using CDS.

Key changes

So let us recall what the key changes are:

  • Data element fields for completing a declaration, which are restricted to specific formats rather than CHIEF’s free text format

  • More detailed customs information is requested (e.g Gross weight; Incoterm and place/point)

  • Deferment account businesses that use a duty deferment account will need to set up a new direct debit. Failure to do so will result in the account no longer being available and immediate payments will have to be made each time an import declaration is made.

  • A new dashboard that is available to monitor and manage declarations

  • CDS separates the customs procedure code into two parts – a four-digit code combined with one of up to 99 three-digit additional procedure codes


We also recall that, for exporters, that CHIEF will definitively retire on 31 March 2023 after more than 30 years’ service, when will stop receiving export declarations, which means that exporters will also need to use CDS from next spring.

How can we help

With HMRC monitoring the preparation of customs agents and importers for the imminent migration of all import declarations from CHIEF to the Customs Declaration Service (CDS), the Greater Manchester Chamber of Commerce will host an online workshop (the second this year) on 14th September 2022. In this workshop we will provide an overview of how CDSs work and the main differences with the current system that you should be aware of:

- Introduction to the new CDS

- Completion rules for CDS

- What do you need to do to be ready for CDS?

- Overview of the Data Elements which will replace the CHIEF ‘boxes’

- Details of the changes across each data element

- Where to go for help and support

Registration deadline: 12/09/2022

If you are interested in this workshop, or for assistance with exporting or importing, please email

Interested in finding more about our Customs Brokerage Service?

Greater Manchester Chamber of Commerce is an HMRC compliant customs broker with offices in Manchester City Centre and Manchester Airport with direct links to all sea, air, rail, road ports, and terminals in the UK, ready to help traders keep control while we do the hard stuff, and always acting in their best interests every step of the way.

ChamberCustoms is the only customs agent with direct links to all air, sea, and land port terminals in the UK.

We are different from other customs brokers and customs clearance services as we harness the reach, expertise, and knowledge of the British Chambers of Commerce network across the UK to offer an unbeatably fast, reliable, and compliant service. Complete this form and a member of the team will be in touch to discuss further your requirements.

Speak to a Member of the team Call us at 0161 393 4314 | 4368 or email us at

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