Helpline: 0300 322 9434
The helpline is the main route in for customers with general customs queries. Colleagues on the helpline are able to handle the vast majority of operational queries including general calls about NCTS and GVMS. The helpline opening hours are Mon-Fri 08.00-20.00, weekend 08.00-16.00 and has a Webchat capability access via GOV.uk:
Technical support
For support with specific systems we have the following:
- CDS submission enquiries - You can email HMRC about issues with electronic CDS submissions to This email address is being protected from spambots. You need JavaScript enabled to view it. Emails are monitored Monday to Friday: 9am to 5pm.
- CHIEF Error codes - Not all of the error responses currently have a solution. If you find an error response that doesn’t have a solution or you need clarification then please email This email address is being protected from spambots. You need JavaScript enabled to view it. This will help HM Revenue and Customs to improve the service. You can also email if you need information on CHIEF error code responses that haven’t been included on the trade version of the help text.
- GVMS – contact details will follow.
- NCTS Technical questions – Customers with questions around a specific consignment that is already live in transit can contact the This email address is being protected from spambots. You need JavaScript enabled to view it.. As these queries may be more time sensitive
Technical e-mail account monitored by an expert team aim to respond to operational technical questions within 48 hours. Please send request for help to This email address is being protected from spambots. You need JavaScript enabled to view it. If the request is urgent, please can you mark the subject heading when sending your enquiry
National Clearance Hub
Across all customer groups we have the National Clearance Hub which supports border movements and operates 24/7. The email address for NCH is This email address is being protected from spambots. You need JavaScript enabled to view it.
Imports and exports: general enquiries
Contact HMRC for help with questions about importing, exporting and customs reliefs