The invoice currency (BT-5, ISO 4217) is mandatory.
UBL: <cbc:DocumentCurrencyCode>EUR</…>. CII: ram:InvoiceCurrencyCode in ApplicableHeaderTradeSettlement.
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billhorse.comRule source: EN 16931 / XRechnung (KOSIT) or Billhorse check (BH-*). · All validation rules · Back to the validator