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🇩🇪 XRechnung 3.0.2 (KoSIT) • SEVERITY: FATAL • BG-24 (Unique Attachment Filenames)

How to Fix BR-DE-22: BG-24 (Unique Attachment Filenames)

German KoSIT validation failed on BG-24 (Unique Attachment Filenames) at /ubl:Invoice/cac:AdditionalDocumentReference. Standard PDF/ERP exports frequently omit or misformat this mandatory German national rule.

📐 Official Schematron Specification & XPath Diagnosis for BR-DE-22

BR-DE-22 — BLOCKING REJECTION

Official Specification Rule

[BR-DE-22] All attached supporting documents in BG-24 MUST have unique filenames.

XPath: /ubl:Invoice/cac:AdditionalDocumentReference

Deterministic Remediation (How to Fix)

Populate or normalize BG-24 (Unique Attachment Filenames) in /ubl:Invoice/cac:AdditionalDocumentReference according to XRechnung 3.0.2 specification rules, or click Auto-Fix in the workbench.

❌ REJECTED XML STRUCTURE (TRIGGERS BR-DE-22)

<!-- Violation of BR-DE-22 on BG-24 (Unique Attachment Filenames) -->
<!-- Missing or malformed node at /ubl:Invoice/cac:AdditionalDocumentReference -->

✅ COMPLIANT XML STRUCTURE (BR-DE-22 FIXED)

<!-- Compliant BR-DE-22 structure for BG-24 (Unique Attachment Filenames) -->
<!-- Validated against KoSIT XRechnung 3.0.2 Schematron -->

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1. Document Header & Routing Identifiers XRECHNUNG 3.0.2

Invoice No BT-1

Issue Date BT-2

Due Date BT-9 / BR-DE-26

Buyer Ref / Leitweg-ID BT-10 / BR-DE-15

Currency & ZATCA UUID BT-5 / KSA-1

2. Seller Party & Mandatory Contact (BG-4 / BG-6 / BR-DE-2) BT-27 .. BT-43

Seller Legal Name BT-27

Seller VAT / 15-Digit ZATCA TIN BT-31 / BR-KSA-08

Contact Person BT-41 / BR-DE-5

Contact Phone BT-42 / BR-DE-6

Contact Email BT-43 / BR-DE-7

Seller EndpointID BT-34 / R020

Building # (ZATCA) KSA-17

SEPA Payee IBAN BT-84 / BR-DE-23

3. Buyer Party & Peppol Endpoint (BG-7 / R010) BT-44 .. BT-55

Buyer Legal Name BT-44

Buyer VAT ID BT-48

Buyer EndpointID BT-49 / R010

4. Line Items & EN 16931 Mathematical Reconciliation (BR-CO-10 .. 16) BG-25 / BG-22

Net Total BT-109 / BR-CO-13

VAT Total BT-110 / BR-S-09

Payable Gross BT-112 / BR-CO-15

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UTF-8 • OASIS UBL 2.1 / EN 16931

Related XRechnung 3.0.2 (KoSIT) Validation Rules

BR-DE-1

BG-16 (Payment Instructions)

[BR-DE-1] An Invoice MUST contain information on "PAYMENT INSTRUCTIONS" (BG-16).

Fix BR-DE-1 →

BR-DE-2

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).

Fix BR-DE-2 →

BR-DE-3

BT-37 (Seller City)

[BR-DE-3] The element "Seller city" (BT-37) MUST be transmitted.

Fix BR-DE-3 →

BR-DE-4

BT-38 (Seller Postcode)

[BR-DE-4] The element "Seller post code" (BT-38) MUST be transmitted.

Fix BR-DE-4 →

BR-DE-5

BT-41 (Seller Contact Point)

[BR-DE-5] The element "Seller contact point" (BT-41) MUST be transmitted.

Fix BR-DE-5 →

BR-DE-6

BT-42 (Seller Contact Telephone)

[BR-DE-6] The element "Seller contact telephone number" (BT-42) MUST be transmitted.

Fix BR-DE-6 →

BR-DE-7

BT-43 (Seller Contact Email)

[BR-DE-7] The element "Seller contact email address" (BT-43) MUST be transmitted.

Fix BR-DE-7 →

BR-DE-8

BT-52 (Buyer City)

[BR-DE-8] The element "Buyer city" (BT-52) MUST be transmitted.

Fix BR-DE-8 →

BR-DE-9

BT-53 (Buyer Postcode)

[BR-DE-9] The element "Buyer post code" (BT-53) MUST be transmitted.

Fix BR-DE-9 →

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