# BT-162 Invoice line item additional property value

The value of an additional property of the item in the invoice line.

## Quick answer

The value of an additional property of the item in the invoice line.

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

## In plain language

The value of an additional property of the item in the invoice line.

The value of an additional property of the item in the invoice line.

Specifies the value of additional item properties.

## What you usually enter here

Free text property value

Typical valid values include: Red, Large, Steel, 5kg

Optional according to EN 16931-1.

## What goes wrong often

Avoid values like: , AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Relevant rule codes: BR-2

## Examples in context

Specifies the value of additional item properties.

Optional according to EN 16931-1.

## Valid Examples

- Red
- Large
- Steel
- 5kg

## Invalid Examples

- AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

## Related Fields

Specifies the value of additional item properties.

- [BT-138 Invoice line item name](/resources/xrechnung/bt-138-invoice-line-item-name)
- [BT-161 Invoice line item additional property name](/resources/xrechnung/bt-161-invoice-line-item-additional-property-name)

## 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-162

### Data Type:
text

### Cardinality:
0..n

### Requirement:
Optional

### Max Length:
100 characters

### Since Version:
Optional

## XML Implementation

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

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

## Validation Rules

### BR-2
BR-2

## Why the standard cares about this field

### Business Context
Specifies the value of additional item properties.

### Legal Requirement
Optional according to EN 16931-1.

## 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)