Practical guides for completing declarations:


User guides for submitting your ENS safety & security declaration


Step-by-step guides for completing your supplementary (SDI) declaration and payments

Full frontier

Step by step guides explaining the data required and how to use the TSS Portal to generate full frontier declarations


How to make a Transit journey for goods movement from GB to NI via Ireland


How to make an export journey – where your goods move from NI to GB either direct or via Ireland

Other journeys

Guides to support other types of GB-NI goods movements

What TSS does

Introduction to TSS and its functions, as well as how to register

The Trader Support Service is a free government supportive programme to assist you to continue the smooth movement of goods between GB and NI.