BR-CO-24
Error (blocking) EN 16931 (UBL)EN 16931 (CII)
Official rule text
Each Invoice line charge (BG-28) shall contain an Invoice line charge reason (BT-144) or an Invoice line charge reason code (BT-145), or both.
Seeing BR-CO-24 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.