BR-G-02
Error (blocking) EN 16931 (UBL)EN 16931 (CII)
Official rule text
An Invoice that contains an Invoice line (BG-25) where the Invoiced item VAT category code (BT-151) is "Export outside the EU" shall contain the Seller VAT Identifier (BT-31) or the Seller tax representative VAT identifier (BT-63).
Seeing BR-G-02 in a rejection?
Run your file through the free validator to see every violation at once — or let NormDrift watch your reference invoices so the next ruleset release never surprises you.