GR-R-001-2
Peppol BIS 3.0
FATAL
Official rule text
When the Supplier is Greek, the Invoice Id first segment must be a valid TIN Number and match either the Supplier's or the Tax Representative's Tin Number
What this error means
The official rule text above states the exact requirement your invoice does not meet. The referenced business terms (BT-xx) identify the fields involved.
How to fix it
- Locate the elements for the business terms (BT) named in the rule text.
- Compare your values against the stated requirement and correct them.
- Re-validate - fixing one rule sometimes reveals a related one.
Related rules
Fix it faster
Paste your invoice XML in our free validator - every finding comes with its rule ID. Then generate, convert and render compliant invoices through one API.