CDS Maintenance and Planned Downtime

BY:

Sandra Strong
19 September 2023

SHARE:

Due to scheduled maintenance on the Customs Declaration Service (CDS), the service will be unavailable between 9:30 pm Saturday, 23rd September, to 04.30 am Sunday, 24th September.

The outage is confirmed to be of 7 hours duration and will support a further software release of the CDS system. 


Declarations submitted during this time will be processed at the end of the scheduled maintenance.


Creating, updating, or embarking a goods movement reference (GMR) that are linked to the Customs Declaration Service could be affected during the scheduled maintenance.


For guidance on the Goods Vehicle Movement Service (GVMS), check the GVMS service availability and issues page.



We apologise for any inconvenience this may cause.



OneCall™ Email assistance as and when required; A one-call solution for all your import, export and customs enquiries. Export help. Import help. Customs help.

Stay informed about customs and international trade matters by subscribing to our OneCall™ service. This comprehensive offering includes a dedicated email helpline for support, timely practical updates direct to your inbox (Did You Know?), monthly UK Customs & Trade Briefings and access to an interactive members' area with an exclusive community for our subscribers.

Subscribe Today ➝

International Trade Updates & Spotlight Newsletter

Subscribe to our free information emails covering international trade topics...

Subscribe to our newsletter ➝

MORE INDUSTRY INSIGHTS...

by Gail Leeson 4 July 2026
HMRC has advised that the Customs Declaration Service (CDS) will be unavailable from Saturday 4 July to Sunday 5 July 2026 due to scheduled maintenance.
by Gail Leeson 4 July 2026
HMRC have advised that the Customs Declaration Service (CDS) will be out of service from the evening of Saturday 4 th July, running into the early hours of Sunday 5 th July 2026. There has been further confirmation that this CDS downtime will impact the New Computerised Transit System (NCTS) declarations.
by Niamh O'Connor 17 June 2026
The Department for Business and Trade (DBT) has announced that the long-awaited Free Trade Agreement between the UK and India will enter into force on 15 July 2026.
Show More