Validation rules
BR-DEC-19 — EN 16931 rule
A VAT category taxable amount (BT-116) uses more than 2 decimal places — EN 16931 allows at most 2.
- Rule
BR-DEC-19— official EN 16931 / XRechnung rule- Severity
- error
- Business term
BT-116— VAT category taxable amount- Field in your JSON
invoice.lines- Detected by
- tier 3 — KoSIT validator (authoritative)
- Reachability
- Only reachable when validating your own XML — normbill-generated documents cannot trigger it
normbill computes every VAT breakdown itself and formats the taxable amount with exactly 2 decimals.
How to fix it
Round the cbc:TaxableAmount of the VAT breakdown (cac:TaxSubtotal) to 2 decimals.
BR-DEC-19 auf Deutsch — was bedeutet der Fehler?
Die Steuerbemessungsgrundlage einer Umsatzsteuerkategorie (BT-116) hat mehr als 2 Nachkommastellen. EN 16931 erlaubt höchstens 2 Dezimalstellen — der KoSIT-Validator lehnt die Rechnung ab.
So beheben Sie den Fehler
Runden Sie das cbc:TaxableAmount des betroffenen cac:TaxSubtotal auf 2 Nachkommastellen. normbill berechnet jede Steueraufschlüsselung selbst und formatiert sie mit exakt 2 Stellen.
Related rules
BR-45— A VAT breakdown (BG-23) has no taxable amount (BT-116).BR-AE-08— The taxable amount (BT-116) of the reverse-charge (AE) breakdown does not equal the sum of line net amounts…BR-AF-08— For each IGIC (L) rate, the taxable amount (BT-116) of the breakdown must equal the sum of line net amounts…BR-AG-08— For each IPSI (M) rate, the taxable amount (BT-116) of the breakdown must equal the sum of line net amounts…BR-E-08— The taxable amount (BT-116) of the exempt (E) breakdown does not equal the sum of line net amounts minus…BR-G-08— The taxable amount (BT-116) of the export (G) breakdown does not equal the sum of line net amounts minus…
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.
Or try it live: drop any XRechnung XML on the free validator — same KoSIT-backed report, no account.