Validation rules

BR-CO-16

The amount due (BT-115) would be negative: paid_amount (BT-113) exceeds the invoice total with VAT (BT-112).

Rule: BR-CO-16 — official EN 16931 / XRechnung rule
Severity: error
Business term: BT-115 — Amount due (computed: BT-112 − BT-113)
Field in your JSON: invoice.paid_amount

How to fix it

Lower invoice.paid_amount so it is at most totals.gross (BT-112), or omit paid_amount.

BR-CO-16 auf Deutsch — was bedeutet der Fehler?

Der zu zahlende Betrag (BT-115) wäre negativ: die bereits gezahlte Summe (paid_amount, BT-113) übersteigt den Bruttobetrag (BT-112).

So beheben Sie den Fehler

Senken Sie invoice.paid_amount auf höchstens den Bruttobetrag, oder lassen Sie paid_amount weg.

Official sources

XRechnung specification (KoSIT / xeinkauf.de)
KoSIT validator on GitHub and the XRechnung validator configuration

Every 422 from the API lists the rule id, the path in your request JSON, a plain-language message and a suggested fix — see the docs overview for the report format.