Validation rules
BR-S-06 — EN 16931 rule
A document-level allowance with VAT category "S" (standard rated) must have a VAT rate greater than zero.
- Rule
BR-S-06— official EN 16931 / XRechnung rule- Severity
- error
- Detected by
- tier 3 — KoSIT validator (authoritative)
- Reachability
- Triggerable from your request JSON (generate & validate)
How to fix it
Set the allowance's vat to the applicable rate (Germany: 19 or 7), or use vat_category "Z" / "E".
BR-S-06 auf Deutsch — was bedeutet der Fehler?
Ein Nachlass auf Dokumentebene mit der Kategorie "S" (Normalsatz) muss einen Steuersatz größer 0 tragen.
So beheben Sie den Fehler
Setzen Sie vat am Nachlass auf den gültigen Satz (Deutschland: 19 oder 7) — oder verwenden Sie vat_category "Z" bzw. "E".
Related rules
BR-S-05— A standard-rated (S) line must have a VAT rate greater than zero.BR-S-07— A document-level charge with VAT category "S" (standard rated) must have a VAT rate greater than zero.BR-S-04— A document-level charge uses VAT category S (standard rated), which requires the seller VAT identifier…BR-S-08— For each standard rate in use, the taxable amount (BT-116) of the S breakdown must equal the sum of line net…BR-S-03— A document-level allowance uses VAT category S (standard rated), which requires the seller VAT identifier…BR-S-09— The tax amount (BT-117) of a standard-rated (S) breakdown must equal its taxable amount (BT-116) multiplied…
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.