BR-45
Error (blocking) EN 16931 (UBL)EN 16931 (CII)
Official rule text
Each VAT breakdown (BG-23) shall have a VAT category taxable amount (BT-116).
Seeing BR-45 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.