CDS Downtime (31st July 2023) & Release Guidance

Due to scheduled maintenance, the Customs Declaration Service (CDS) will be unavailable to all users from Monday 31st July 2023, 23:55 to 01:05 Tuesday 1st August 2023.

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.

In addition, please find attached a trader guidance for the CDS Release 4.1.1 which contains important information regarding changes to alcohol excise duty tax types and National Additional Codes.