Relation, authorisation and sequence errorsObligation

CDS12109Obligation Error: When providing fixed rate of exchange rate in DE 4/15, a currency code of GBP must be supplied

HMRC explanation

Total invoiced amount should be in GBP

You declared a fixed rate of exchange meaning a contractually agreed rate of exchange was used. The invoice value (data element 4/14) on an import declaration or the total amount invoiced (data element 4/11) on an export declaration, needs to be declared in GBP, converted using the agreed rate.

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

What to check across the Relation, authorisation and sequence errors

Two elements, or a value and a rule, disagree. Read both elements together: completing one element with a particular code often requires another value, and the fault is frequently in the element you did not change. The family also covers parties and authorisations that are not recognised, references that must be unique, and messages sent out of sequence.

A declaration that clears CDS can still be wrong

The free eligibility checker confirms your import activity and whether a free post-clearance audit applies. No data upload, no commitment.

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