CDS Release 4.8.0 to Impact on NCTS Weekend of 14th and 15th June 2025

BY:

Niamh O'Connor
11 June 2025

SHARE:

HMRC has advised that the planned release of CDS version 4.8.0 will impact the New Computerised Transit System (NCTS), and declarations may be delayed if not submitted in good time before the CDS downtime scheduled for 22:30 on Saturday, June 14th. 

NCTS will be available during the rollout of the CDS upgrade, but declarations may be queued from the late evening of Saturday, June 14th, and not released until the early hours of Sunday, June 15th. 


HMRC have released the following details: 

  • Declarations submitted into the New Computerised Transit System (NCTS) may be queued from 10.30pm on Saturday, June 14th, 2025, to 1.00am on Sunday, June 15th, 2025. 
  • NCTS will be available during this time and any declarations queued will be held and processed once the maintenance activity has concluded. 



HMRC recommends that declarations be submitted well in advance of Saturday's downtime to avoid any delay in movements. They apologise for any inconvenience. 


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...

NTE 2026/03 Company Director Jailed for Attempting Illegal Export

by Sandra Strong • 23 February 2026
Highlighted in the most recent Notice to Exporters (NTE), why compliance matters. A company director has received a prison sentence after attempting to export controlled military-grade equipment without the required UK licence. The case, published in the UK government’s Notice to Exporters 2026/03 19-02-2026, highlights the seriousness with which UK authorities enforce export controls and Customs.

Military Mobility: Customs Technical Handbook Published

by Niamh O'Connor • 23 February 2026
HMRC have published a further Technical Handbook for Military Mobility to provide comprehensive guidance for visiting military forces and the UK Ministry of Defence on the application of NATO form 302 and the UK Armed Forces Declaration process.

Call for Evidence on Ownership and Control in Financial Sanctions Regulations

by Gail Leeson • 20 February 2026
The Office of Financial Sanctions Implementation has launched a call for evidence seeking the industry’s views on how the UK financial sanctions regulations governing ownership and control are applied in practice by UK businesses.
Show More