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.
Error Codes
When submitting declarations via the TSS Portal, you may receive error messages if information has been entered incorrectly or incompletely.
We recommend starting with the Data Guide: TSS declaration data requirements for details of each field on the TSS Portal, what they mean, and how to input the necessary data.
Error codes in declarations
The following guidance is useful for resolving errors and successfully completing declarations:
- If your error code is in relation to an Entry Summary Declaration or a Simplified Frontier Declaration, please review the Guidance on resolution to common error codes for Entry Summary and Simplified Frontier Declarations
- If your error code is in relation to a Supplementary Declaration or a Full Frontier Declaration, please review the Guidance on resolution to common error codes for Supplementary and Full Frontier Declarations
Further information and support
- The Document Code Guide details how to complete Document Codes on a declaration in TSS and prevent Customs Declaration Service (CDS) errors.
If you require further information, please consult the TSS Contact Centre for support on 0800 060 8888.