Use the LineExtension sub-element of the InvoiceLineExtension element to model this information.

Elements

Element	Description
`Invoice/InvoiceLine/LineExtensionAmount`	Specify the amount. You must specify a negative amount for Japanese returns.

Restrictions

For Japanese returns, you need to specify a negative amount.

Example

<ubl:Invoice>
	<!-- Code omitted for clarity -->
	<cac:InvoiceLine>
		<cbc:ID>1</cbc:ID>
		<!-- Invoiced quantity is negative -->
		<cbc:InvoicedQuantity unitCode="H87">-2</cbc:InvoicedQuantity>
		<!-- The line net amount is negative -->
		<cbc:LineExtensionAmount currencyID="JPY">-100000</cbc:LineExtensionAmount>
    <!-- Code omitted for clarity -->
</ubl:Invoice>