# BT-153 Invoice line item name

The name of the item (goods or services) in the invoice line.

> BT-153 (Item name) is the human-readable name of the item or service billed on the line. Mandatory under EN 16931, it should be specific enough that an auditor can match the line to the underlying delivery. Avoid generic placeholders such as "Service". Example: "Consulting services — sprint 12".
>
> BT-153 · EN 16931 / XRechnung 3.x

## BT Reference Card

Canonical EN 16931 / XRechnung facts for this business term — citable from this anchor.

- **BT code**: BT-153
- **Name**: Invoice line item name
- **Cardinality**: Mandatory (M)
- **Business group**: BG-31 ITEM INFORMATION
- **Data type**: Text
- **Example value**: Consulting services — sprint 12

## Quick answer

The name of the item (goods or services) in the invoice line.

> **Line items**: The goods or services on each invoice line, including quantities, prices, and VAT.

- validate
- convert

## In plain language

The name of the item (goods or services) in the invoice line.

The name of the item (goods or services) in the invoice line.

Required for each invoice line item (BT-153, BR-25).

## What you usually enter here

Free text item name

Typical valid values include: Laptop Computer, Consulting Services, Ordnungszahl 1.1.30

Mandatory according to EN 16931 / Peppol BR-25.

## What goes wrong often

Avoid values like: , AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Relevant rule codes: BR-25

## Examples in context

Required for each invoice line item (BT-153, BR-25).

Mandatory according to EN 16931 / Peppol BR-25.

## Valid Examples

- Laptop Computer
- Consulting Services
- Ordnungszahl 1.1.30

## Invalid Examples

- AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

## Related Fields

Required for each invoice line item (BT-153, BR-25).

- [BT-154 Invoice line item description](/resources/xrechnung/bt-154-invoice-line-item-description)
- [BT-155 Invoice line item seller's identifier](/resources/xrechnung/bt-155-invoice-line-item-sellers-identifier)
- [BT-151 Invoice line VAT category code](/resources/xrechnung/bt-151-invoice-line-vat-category-code)

## XML mapping and field facts

Open the technical reference if you need XML paths, validator rule codes, legal wording, or schema-specific mapping details.

### Field ID:
BT-153

### Data Type:
text

### Cardinality:
1..1

### Requirement:
Mandatory

### Max Length:
500 characters

### Since Version:
XRechnung 1.0+

## XML Implementation

### UBL 2.1 Syntax
```
/Invoice/cac:InvoiceLine/cac:Item/cbc:Name
```

### CII (UN/CEFACT) Syntax
```
/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:SpecifiedTradeProduct/ram:Name
```

## Validation Rules

### BR-25
BR-25

## Why the standard cares about this field

### Business Context
Required for each invoice line item (BT-153, BR-25).

### Legal Requirement
Mandatory according to EN 16931 / Peppol BR-25.

## Official sources and tools

- [KoSIT Validator](https://erechnungsvalidator.service-bw.de/)
- [Invoice Converter](/pdf-to-xrechnung)
- [XRechnung Standard](https://xeinkauf.de/xrechnung/)
- [Test Suite](https://github.com/itplr-kosit/xrechnung-testsuite)