# BT-146 Item Net Price

The net price of one item unit, excluding VAT and after price-level discounts.

## Quick answer

The net price of one item unit, excluding VAT and after price-level discounts.

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

- validate
- convert

## In plain language

The net price of one item unit, excluding VAT and after price-level discounts.

The net price of one item unit, excluding VAT and after price-level discounts.

Describes how the invoice line price is derived, including base quantity and any price-level discount, so automated checks can recalculate line totals.

## What you usually enter here

Decimal amount in invoice currency

Typical valid values include: 100.00, 25.50

Defined by EN 16931 for line price calculation data; required fields must satisfy the listed BR and Peppol calculation constraints.

## What goes wrong often

Avoid values like: -100.00, 100,50

Relevant rule codes: BR-26, BR-27, PEPPOL-EN16931-R046, PEPPOL-EN16931-R120

## Examples in context

Describes how the invoice line price is derived, including base quantity and any price-level discount, so automated checks can recalculate line totals.

Defined by EN 16931 for line price calculation data; required fields must satisfy the listed BR and Peppol calculation constraints.

## Valid Examples

- 100.00
- 25.50

## Invalid Examples

- -100.00
- 100,50

## Related Fields

Describes how the invoice line price is derived, including base quantity and any price-level discount, so automated checks can recalculate line totals.

- [BT-129 Invoice line quantity](/resources/xrechnung/bt-129-invoice-line-quantity)
- [BT-131 Invoice line net amount](/resources/xrechnung/bt-131-invoice-line-net-amount)
- [BT-147 Item Price Discount](/resources/xrechnung/bt-147-item-price-discount)
- [BT-148 Item Gross Price](/resources/xrechnung/bt-148-item-gross-price)
- [BT-149 Item Price Base Quantity](/resources/xrechnung/bt-149-item-price-base-quantity)

## 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-146

### Data Type:
amount

### Cardinality:
1..1

### Requirement:
Mandatory

### Since Version:
XRechnung 1.0+

## XML Implementation

### UBL 2.1 Syntax
```
/Invoice/cac:InvoiceLine/cac:Price/cbc:PriceAmount
```

### CII (UN/CEFACT) Syntax
```
/CrossIndustryInvoice/SupplyChainTradeTransaction/IncludedSupplyChainTradeLineItem/SpecifiedLineTradeAgreement/NetPriceProductTradePrice/ChargeAmount
```

## Validation Rules

### BR-26
BR-26

### BR-27
BR-27

### PEPPOL-EN16931-R046
PEPPOL-EN16931-R046

### PEPPOL-EN16931-R120
PEPPOL-EN16931-R120

## Why the standard cares about this field

### Business Context
Describes how the invoice line price is derived, including base quantity and any price-level discount, so automated checks can recalculate line totals.

### Legal Requirement
Defined by EN 16931 for line price calculation data; required fields must satisfy the listed BR and Peppol calculation constraints.

## 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)