Reference

BR-28 Item gross price must not be negative

The Item gross price (BT-148), the unit price before any item price discount, shall not be negative.

This is an EN 16931 core rule and a value check. The gross price (BT-148) is the list price before the item price discount (BT-147); the net price is the gross price minus that discount, which Peppol checks with PEPPOL-EN16931-R046. A negative gross price usually comes from a discount with the wrong sign or from a discount amount placed in cbc:BaseAmount by mistake.

Solution

Provide the gross price as cac:Price/cac:AllowanceCharge/cbc:BaseAmount (CII: ram:GrossPriceProductTradePrice/ram:ChargeAmount) with a value of zero or more, and state the item price discount (BT-147) in cbc:Amount of the same group.

Quick actions

Validate XML Convert invoice

Valid Examples

BT-148 = 15.00 with an item price discount of 2.50

Invalid Examples

BT-148 = -3.00 — negative gross price rejected

Code Examples

Valid XML

<cac:Price>
  <cbc:PriceAmount currencyID="EUR">12.50</cbc:PriceAmount>
  <cac:AllowanceCharge>
    <cbc:ChargeIndicator>false</cbc:ChargeIndicator>
    <cbc:Amount currencyID="EUR">2.50</cbc:Amount>
    <cbc:BaseAmount currencyID="EUR">15.00</cbc:BaseAmount>
  </cac:AllowanceCharge>
</cac:Price>

Invalid XML

<cac:Price>
  <cbc:PriceAmount currencyID="EUR">12.50</cbc:PriceAmount>
  <cac:AllowanceCharge>
    <cbc:ChargeIndicator>false</cbc:ChargeIndicator>
    <cbc:Amount currencyID="EUR">2.50</cbc:Amount>
    <cbc:BaseAmount currencyID="EUR">-3.00</cbc:BaseAmount>
  </cac:AllowanceCharge>
</cac:Price>