# BR-CO-10

Quoted from a public specification. This page is not a validator, and it is not tax, legal, or accounting advice.

- Country: EU
- Syntax: UBL
- Severity: fatal
- Statement language: en
- Last verified: 2026-10-17

## Official statement

> Sum of Invoice line net amount (BT-106) = Σ Invoice line net amount (BT-131).

Source: https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/BR-CO-10/

Peppol BIS Billing 3.0, May 2026 release, EN 16931 model bound to UBL

Severity note: fatal, from the Flag column of the Peppol BIS Billing 3.0 UBL rules index retrieved 2026-10-17.

## Plain-language reading

The sum of invoice line net amounts (BT-106) must equal the sum of the line net amounts (BT-131). The published test rounds that sum to two decimals before comparing.

## What to change

Set BT-106 to the sum of every invoice line net amount (BT-131).

## Illustration

Illustration of the condition in the official statement. Not an example published by the source.

**Fails the stated condition.** The line net amounts are 80 and 20, and BT-106 is 80.

**Passes the stated condition.** The line net amounts are 80 and 20, and BT-106 is 100.

## Published context and test

Copied from the source. Not reimplemented on this page.

```
cac:LegalMonetaryTotal
```

```
(xs:decimal(cbc:LineExtensionAmount) = xs:decimal(round(sum(//(cac:InvoiceLine|cac:CreditNoteLine)/xs:decimal(cbc:LineExtensionAmount)) * 10 * 10) div 100))
```

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