GR-R-008-2:When Supplier is Greek, there should be no more than one invoice url
Fix: Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (GR-R-008-2). Upload your invoice to fix this automatically.
Greek supplier invoices should have no more than one invoice URL. Multiple URLs are not allowed in Greek e-invoicing.
Engine Classification
Normalize invoice type code for Greek compliance
Confidence: 80% · Applied automatically in pipeline
What is GR-R-008-2?
GR-R-008-2 is a fatal validation rule defined in the CIUS-GR (Greece) specification (GRC national rules). It validates the InvoiceTypeCode element in the UBL invoice XML.
When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.
Target path: /Invoice/cbc:InvoiceTypeCode
Why This Error Matters
Invoice will be rejected by Greek validation. Only one invoice URL is permitted.
GR-R-008-2 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Invoice Navigator can automatically correct this error in your pipeline. The fix is applied with full audit evidence, so your compliance trail remains intact.
Validator Behavior
- ·Causes invoice rejection
- ·Error returned: GR-R-008-2
- ·Specification: CIUS-GR (Greece)
How to Fix It
Find the incorrectly formatted value
Check cbc:InvoiceTypeCode at /Invoice/cbc:InvoiceTypeCode. The current value does not match the required format.
Apply the correct format
Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (GR-R-008-2).
Update your export settings
If this occurs consistently, check your invoicing software's locale and format settings for XML export. Re-validate to confirm GR-R-008-2 is resolved.
Before / After
<Invoice> <!-- Issue: When Supplier is Greek, there should be no more than one inv --> </Invoice>
<Invoice> <!-- Issue resolved per CIUS-GR (Greece) --> </Invoice>
Technical Reference
/Invoice/cbc:InvoiceTypeCodeCommon Causes
- ·Multiple invoice URLs provided
- ·Duplicate URL entries
- ·Both portal and direct URLs included
- ·Copy operation duplicated URL
- ·Multiple supporting document URLs confused with invoice URL
Seeing this in production? The API handles GR-R-008-2 automatically. See the fix response →
Frequently Asked Questions
Greek supplier invoices should have no more than one invoice URL. Multiple URLs are not allowed in Greek e-invoicing.
Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (GR-R-008-2). You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.
Yes, GR-R-008-2 is a critical error that will cause invoice rejection. It must be fixed before submission.
Many instances of GR-R-008-2 can be automatically corrected using Invoice Navigator's compliance engine. The fix is applied in your pipeline with full audit evidence.
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Last updated: 14 April 2026
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