DE-R-022
Error Guide
š©šŖ DE-R-022: Duplicate attachment filename. All attached documents in German invoices must have unique filenames (case-insensitive) i in Germany
ErrorMandatory
Duplicate attachment filename. All attached documents in German invoices must have unique filenames (case-insensitive) in element BT-125.
Quick Facts
Severity
Error (rejection)
Ruleset
PEPPOL_BIS
Fix Confidence
80%
Mandate
B2B Mandatory
Fix Type
Manual
Why This Matters in Germany
Germany requires e-invoicing using XRechnung (UBL), XRechnung (CII), ZUGFeRD 2.x. Invoices with this error will be rejected. They cannot be processed for Germany compliance.
Invoice Navigator covers 147 XRechnung 3.0.2 rules for Germany.
How to Fix DE-R-022
- 1Find the missing or empty fieldCheck cbc:CityName at //cac:Delivery/cac:DeliveryLocation/cac:Address/cbc:CityName. This field is required but is either missing or empty.
- 2Set the required valueDuplicate attachment filename. All attached documents in German invoices must have unique filenames (case-insensitive) in element BT-125.
- 3Re-validate your invoiceUpload the corrected invoice to confirm DE-R-022 is resolved.
Germany E-Invoicing Requirements
Phase
Status
Scope
B2G
Live (Nov 2020)
All federal suppliers
B2B receiving
Live (Jan 2025)
All German businesses
B2B sending
Jan 2027
>ā¬800K annual revenue
B2B sending
Jan 2028
All businesses
Common Causes
- ā¢Attached document filenames not unique
- ā¢BT-125 contains duplicate filename (case insensitive)
- ā¢Multiple attachments with same name in BG-24
- ā¢cbc:EmbeddedDocumentBinaryObject/@filename duplicated
- ā¢File naming collision in additional supporting documents
Fix DE-R-022 automatically
Upload your invoice and let Invoice Navigator auto-remediate this error.