BT-109 = BT-106 − allowances (BT-107) + charges (BT-108).
Include document-level allowances/charges in the formula; treat missing BT-107/108 as zero.
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billhorse.comRule source: EN 16931 / XRechnung (KOSIT) or Billhorse check (BH-*). · All validation rules · Back to the validator