The identifier in BT-30 is neither a SIREN (9 digits) nor a SIRET (14 digits).
Provide digits only, no spaces or separators; the SIREN is the first 9 digits of the SIRET.
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billhorse.comRule source: EN 16931 / XRechnung (KOSIT) or Billhorse check (BH-*). · All validation rules · Back to the validator