Due to scheduled maintenance on the Customs Declaration Service (CDS), the service will be unavailable to all users on Saturday 23rd September, 21:30 to 04:30 Sunday 24th September.
Declarations submitted during this timeframe will be processed at the end of the downtime.
Creating, updating, or embarking a goods movement reference (GMR) that are linked to CDS could be affected during the times listed. For guidance on GVMS, please refer to the GVMS service availability and issues page.
Please find the attached guidance on Declaration Completion instructions in relation to declaration validation changes being introduced as part of Release 4.2.
This guidance sets out the completion instructions that declarations will need to comply with post release. Please be advised that this may affect any declarations pre-lodged prior to release 4.2 going live on 23rd of September.
In order to prevent rejections upon the implementation of CDS 4.2, please ensure that all pre-lodged declarations comply with the listed instructions.
For more information, please see the CDS service availability pages:
