errorGRPEPPOL_BIS
GR-R-006:Greek Suppliers must provide the VAT number of the buyer, if the buyer is Greek
When both supplier and buyer are Greek, the buyer's VAT number must be provided. This is required for domestic Greek transactions.
We can help you fix this
NEEDS INPUTRequires user input: Greek buyer VAT number (EL + 9 digit TIN). User must provide buyer's registered Greek VAT.
Simple form - we handle the XML for you
Upload and Answer QuestionsWhy This Error Matters
Invoice will be rejected by Greek validation. Greek domestic transactions require buyer VAT for tax reporting.
Common Causes
- Buyer VAT number missing on Greek-to-Greek invoice
- Customer master data incomplete
- Private consumer sale missing buyer ID
- ERP does not enforce buyer VAT for domestic
- Buyer VAT stored but not exported
Frequently Asked Questions
When both supplier and buyer are Greek, the buyer's VAT number must be provided. This is required for domestic Greek transactions.
When both supplier and buyer are Greek, the buyer's VAT number must be provided. This is required for domestic Greek transactions. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, GR-R-006 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of GR-R-006 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues.
See Also
Last updated: 18 January 2026
Share this guide: