How to Fix BR-DE-27: BT-42 (Seller Telephone Minimum Digits)
German KoSIT validation failed on BT-42 (Seller Telephone Minimum Digits) at /ubl:Invoice/cac:AccountingSupplierParty/cac:Party/cac:Contact/cbc:Telephone. Standard PDF/ERP exports frequently omit or misformat this mandatory German national rule.
๐ Official Schematron Specification & XPath Diagnosis for BR-DE-27
BR-DE-27 โ BLOCKING REJECTION<!-- Violation of BR-DE-27 on BT-42 (Seller Telephone Minimum Digits) --> <!-- Missing or malformed node at /ubl:Invoice/cac:AccountingSupplierParty/cac:Party/cac:Contact/cbc:Telephone -->
<!-- Compliant BR-DE-27 structure for BT-42 (Seller Telephone Minimum Digits) --> <!-- Validated against KoSIT XRechnung 3.0.2 Schematron -->
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AUDITING...Related XRechnung 3.0.2 (KoSIT) Validation Rules
BG-16 (Payment Instructions)
[BR-DE-1] An Invoice MUST contain information on "PAYMENT INSTRUCTIONS" (BG-16).
BG-6 / BT-41 / BT-42 / BT-43 (Seller Contact)
[BR-DE-2] The group "SELLER CONTACT" (BG-6) MUST be transmitted completely with Name (BT-41), Telephone (BT-42), and Email (BT-43).
BT-37 (Seller City)
[BR-DE-3] The element "Seller city" (BT-37) MUST be transmitted.
BT-38 (Seller Postcode)
[BR-DE-4] The element "Seller post code" (BT-38) MUST be transmitted.
BT-41 (Seller Contact Point)
[BR-DE-5] The element "Seller contact point" (BT-41) MUST be transmitted.
BT-42 (Seller Contact Telephone)
[BR-DE-6] The element "Seller contact telephone number" (BT-42) MUST be transmitted.
BT-43 (Seller Contact Email)
[BR-DE-7] The element "Seller contact email address" (BT-43) MUST be transmitted.
BT-52 (Buyer City)
[BR-DE-8] The element "Buyer city" (BT-52) MUST be transmitted.
BT-53 (Buyer Postcode)
[BR-DE-9] The element "Buyer post code" (BT-53) MUST be transmitted.
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