CDS to replace CHIEF and NES system by 2023

Published 12th Aug 2021 by MY Export Hub

HM Revenue and Customs (HMRC) has announced that the Customs Declaration Service (CDS) will become the UK’s single customs platform with effect from 31 March 2023.

On that date, HMRC will close its Customs Handling of Import and Export Freight (CHIEF) system and it points out that CDS is currently used for Northern Ireland and Rest of World declarations and has already processed more than one million declarations since it went live in 2018.

Services on CHIEF will be withdrawn in two stages: on 30 September 2022, import declarations will close on CHIEF; then on 31 March 2023, export declarations will close on CHIEF and the National Exports System (NES).

Sophie Dean and Katherine Green, Directors General for Borders and Trade at HMRC, said: “This announcement will provide clarity for traders and the border industry. We are committed to making the switch-over as smooth as possible and are working to ensure traders are fully supported with the new processes.”

They explained that CDS has been developed over a number of years in consultation with the border industry and will provide a more secure and stable platform that has the capacity and capability to grow in line with the Government’s trade plans.

Businesses and agents wanting to prepare for CDS are advised to check the guidance at


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