BT-106 must equal the sum of all line net amounts (BT-131).
Compute BT-106 from the actual line amounts instead of maintaining it separately — round at totals level.
The Billhorse validator checks XRechnung, ZUGFeRD and Factur-X right in your browser — your file is never uploaded.
Open the validator← All validation rules
Rule source: EN 16931 / XRechnung (KOSIT) or Billhorse check (BH-*).
