Obligation, format and value errorsDomain & value

CDS10045Calculated item Customs value is negative. Check declaration valuation data.

HMRC explanation

Valuation error

The deductions you declared may exceed the value of the items. See CDS Tariff completion notes for data element 4/9. Apportioning a deduction across multiple items must not reduce the value of any single item to zero or a negative amount.

Source: HMRC, Customs Declaration Service error codes, Open Government Licence v3.0. GOV.UK publication · Licence

What to check across the Obligation, format and value errors

A single data element has failed: it is missing or incomplete, not allowed on this declaration, repeated more often than permitted, in the wrong format, or carries a value that is not recognised. Check the element named in the error is completed in full, in the expected format, and only where the declaration type allows it. A negative item customs value points back to the valuation data on that item.

A declaration that clears CDS can still be wrong

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Source: HMRC, Customs Declaration Service error codes, Open Government Licence v3.0. GOV.UK publication · Licence