MINIMUM and BASIC WL are not EN 16931 conformant e-invoices — they only serve as booking aids.
For mandate compliance generate at least BASIC, ideally the EN 16931 (Comfort) profile.
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-*).
