Possible Delay to NCTS Declarations on Saturday 28 March, 20:00–00:00, Due to CDS Maintenance

BY:

Gail Leeson
25 March 2026

SHARE:

HMRC have advised that some delay may be experienced with NCTS declarations while the CDS is updated.

NCTS declarations will be queued during the following time period:


Sunday 28th March: Between the hours of 20.00 and Midnight.


The NCTS will remain available during this CDS update, and queued declarations will be held and processed once the CDS maintenance activity has concluded.


HMRC recommend that customers submit declarations before the downtime to avoid delays to movements.



HMRC Advice for CDS Update 5.1.0 Scheduled for March 28th 2026



OneCall™ Email assistance as and when required; A one-call solution for all your import, export and customs enquiries. Export help. Import help. Customs help.

Stay informed about customs and international trade matters by subscribing to our OneCall™ service. This comprehensive offering includes a dedicated email helpline for support, timely practical updates direct to your inbox (Did You Know?), monthly UK Customs & Trade Briefings and access to an interactive members' area with an exclusive community for our subscribers.

Subscribe Today ➝

International Trade Updates & Spotlight Newsletter

Subscribe to our free information emails covering international trade topics...

Subscribe to our newsletter ➝

MORE INDUSTRY INSIGHTS...

by Niamh O'Connor 5 May 2026
HMRC will be carrying out planned maintenance on the New Computerised Transit System (NCTS) on Monday, 1st June 2026, from 7 am to 9 am.
by Andy Baker 28 April 2026
On the 29 th April 2026, there will be a system outage to enable HMRC to deploy a fix. This outage will be between 21:30 and 23:00.
by Gail Leeson 23 April 2026
HMRC have advised that the Customs Declaration Service (CDS) will be unavailable to users for scheduled maintenance as follows: Wednesday 29 th April 21:30 until 23.00.
Show More