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Rules/Peppol BIS Billing 3.0/Error

DE-R-022

Peppol BIS Billing 3.0.21

If both supplier and customer are located in Germany, attached documents provided with an invoice in "ADDITIONAL SUPPORTING DOCUMENTS" (BG-24) shall have a unique filename (non case-sensitive) within the element ″Attached document″ (BT-125).

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