Planned Maintenance

The list below details any planned disruption to services to the best of our knowledge. Disruption to any of these can impact the performance of Sequoia.

This information can change at very short notice. Unless otherwise specified, all times are local.

Last change to the information on this page: Friday 13 Feb 2026 14:52

Service Start time End time Details
ASM Online Services
25/02/2026 20:00 25/02/2026 23:30 In order to carry out essential system maintenance, ASM Online Services will be unavailable between and . During this time you will be unable to send and receive messages in Sequoia. You can prepare your CDS declarations ready to send once the outage is complete, but will not be able to view or prepare Safety & Security declarations, ICS2 declarations or Transit phase 5 movements so please retrieve any Transit documents you need prior to the outage.
Do not create any ETSF records on Sequoia during this period.

We will confirm when normal services resume.

We apologise for any inconvenience this may cause.
CCS-UK
CDS Live Service
CDS Test Service (TDR)
CNS Compass
GVMS
28/02/2026 22:30 28/02/2026 23:30 Planned outage on to
See message from HMRC

GVMS system maintenance between 10:30pm and 11:30pm on Saturday 28th February 2026.

During this period GVMS will be unavailable.

Please ensure Goods Movement References (GMRs) are created in advance and any Movement Reference Numbers (MRNs) have been added / validated in advance of 10:30pm on Saturday 28th February.

Goods movement references (GMRs) remain mandatory for freight movements using GVMS. 

Hauliers without a valid goods movement reference (GMR) will be turned away.

We apologise for any inconvenience this may cause.
ICS2
MCP Destin8
NCTS/CTC
Pentant