# BR-25 Each invoice line must contain the item name

Each invoice line (BG-25) must contain the item name (BT-153).

## Problem Description

Each invoice line (BG-25) must contain the item name (BT-153).

> **ERROR**: XRechnung 3.0

## Context and Significance

BT-153 is required even when a seller item number or article code exists. Codes alone are not enough for EN 16931.

## Solution

Map the product or service description from the source invoice into BT-153 for every line.

- validate
- convert

## Valid Examples

- BT-153 = Consulting services March 2026

## Invalid Examples

- Item name empty
- Only SKU 4711 without a name

## Technical Details

### Affected Fields
BT-153 Item name

## Related Rules

- [BR-24](/resources/kosit-validator-errors/br-24-invoice-line-net-amount-must-be-present)

## Validation Tools

- [Official KoSIT Validator](https://erechnungsvalidator.service-bw.de/): Validate your XRechnung files against all BR-DE rules.
- [Convert PDF to XRechnung](/pdf-to-xrechnung): Automatic validation error fixes when converting.

## Related Resources

- [Official Specification](https://xeinkauf.de/xrechnung/)
- [Test Suite](https://github.com/itplr-kosit/xrechnung-testsuite)
- [Complete Error List](/resources/kosit-validator-errors): Overview of all German XRechnung validation rules.