CDS Scheduled Downtime Wednesday 27th August

BY:

Gail Leeson
21 August 2025

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HMRC has issued a notification to advise that the Customs Declaration Service, or CDS, will be taken out of service for a short period on the evening of Wednesday, 27th August.

CDS will be unavailable as follows: Wednesday 27th August from 19.00 -19.45


This scheduled maintenance is designed to implement multiple performance improvements.


Users are advised that declarations submitted during this time will experience delays.


HMRC also advise that a Goods Movement Reference (GMR) may also be impacted at this time. This includes creating, updating, or embarking on a GMR.


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