Error code PEPPOL-EN16931-R005
What error PEPPOL-EN16931-R005 means
PEPPOL-EN16931-R005 is a rule of Peppol BIS Billing 3.0. If your invoice breaks it, the official rule text below says what is expected. The fields it names are listed under it.
This page shows the official rule only; a plain-language explanation hasn't been written yet.
The official rule
“VAT accounting currency code MUST be different from invoice currency code when provided.”
Official text, in the language the rule set publishes it in.