BR-CO-20
Calculation and consistency rules · severity: error · in EN 16931 (UBL), EN 16931 (CII)
Official rule text
If Invoice line period (BG-26) is used, the Invoice line period start date (BT-134) or the Invoice line period end date (BT-135) shall be filled, or both.
What it means
A calculation rule: totals, VAT breakdown or rounding don't add up.
Fields involved
BG-26Invoice line periodBT-134Invoice line period start dateBT-135Invoice line period end date
How to fix it
Open the invoice in your invoicing software or XML, correct the fields named in the rule, and check the file again. Our free validator shows exactly where in the file the rule failed. If you need a new compliant invoice, you can create one for free.