Using and submitting Supplementary Declarations

Help and advice for traders


This guide provides an introduction to Supplementary Declarations (SDs) for export and import purposes and for Intrastat returns. For more information and specific help and advice, there are some useful websites and telephone helplines you can contact.

HM Revenue & Customs

HM Revenue & Customs (HMRC) has a comprehensive website with a wide variety of guides and public notices. For general enquiries, you can call the HMRC VAT Helpline on Tel 0300 200 3700. You can also contact the NES Helpline on Tel 029 2032 6371 for export enquiries. 

HMRC also operates a Tariff Classification Helpdesk which you can call on Tel 01702 366 077.


uktradeinfo is part of HMRC. It is responsible for producing trade statistics and provides support for international trade. Find out about how uktradeinfo can help you.

You can email the uktradeinfo Data Helpdesk. The website provides a free email alert service that gives information on UK import and export trade.