BR-DEC-13
EN 16931-1 layer: en16931
Checked against Peppol BIS Billing 3.0 2026.5
What does BR-DEC-13 mean? The allowed maximum number of decimals for the Invoice total VAT amount (BT-110) is 2.
Why did my invoice fail BR-DEC-13?
The Invoice total VAT amount (BT-110), the sum of VAT across all VAT breakdown categories, must be expressed with at most two decimals. Capping it at 2 decimals keeps it consistent with the per-category VAT amounts and the tax-inclusive total.
Official rule text
The allowed maximum number of decimals for the Invoice total VAT amount (BT-110) is 2.
Common causes
- Summing category VAT amounts that were not rounded to 2 decimals
- Applying a VAT rate to the taxable base without rounding the result
- Floating-point accumulation of VAT lines
How do I fix it?
Round the VAT total: <cbc:TaxAmount currencyID="EUR">495.00</cbc:TaxAmount> in the document-level cac:TaxTotal.
Related rules
BR-DEC-01 · BR-DEC-02 · BR-DEC-05 · BR-DEC-06 · BR-DEC-09 · BR-DEC-10 · BR-DEC-11 · BR-DEC-12
Check your invoice against this rule
Paste it into the live demo, or call POST /v1/validate. See the quickstart.