When submitting declarations on TSS, you may occasionally receive error messages if data has been entered incorrectly, or if there is any missing information.
This page hosts information on how to solve common errors on the TSS portal.
Resolving error codes
We recommend starting with the Data Guide for information on the requirements of each field on the TSS portal, and how to input the necessary data.
If you have received an error code from TSS:
- Start with the Introduction to Error Messages video for an overview of what an error code indicates and help on how to understand and interpret errors
- If your error code is in relation to an Entry Summary Declaration or a Simplified Frontier Declaration, please review the Entry Summary Declaration / Simplified Frontier Declaration error code guide, for help on resolving the most frequent errors with these declarations
- If your error code is in relation to a Supplementary Declaration or a Full Frontier Declaration, please review the Supplementary Declaration / Full Frontier Declaration error code guide, for help on resolving the most frequent errors in these declarations
- This guide details how to complete Document Codes on a declaration in TSS and prevent Customs Declaration Service (CDS) errors.
Further information and support
If you require further information, please consult the TSS Contact Centre for support on 0800 060 8888.