1 CDS 3.9.0 Update
The major CDS 3.9.0 release will take place between 21.30 on Saturday 14 January and 04.00 on Sunday 15 January. During this period of planned downtime, you will be unable to use CDS and we would urge you to avoid making declarations if possible. during this time. CDS 3.9.0 HMRC has advised that, from Sunday …
