UBL-CR-506
Warning EN 16931 (UBL)
Official rule text
A UBL invoice should not include the TaxTotal TaxSubtotal TaxCategory PerUnitAmount
Seeing UBL-CR-506 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.