Use the AllowanceCharge element to specify the base amount.

Italian Specification

Detail	Value
Italian Specification	`2.1.1.7.4 (ImponibileCassa)`

Elements

Element	Description
`Invoice/AllowanceCharge/AllowanceChargeReasonCode`	Specify `VRBL:IT:ZZZ`.
`Invoice/AllowanceCharge/AllowanceChargeReasonCode/BaseAmount`	Specify the base amount.
`Invoice/AllowanceCharge/AllowanceChargeReasonCode/BaseAmount [@currencyID]`	Specify the currency.

Restriction

You must use VRBL:IT:ZZZ as the reason code in the AllowanceChargeReasonCode element.

Example

<ubl:Invoice>
    <!-- Code omitted for clarity -->
    <cac:AllowanceCharge>
        <!-- Code omitted for clarity -->
        <cbc:BaseAmount currencyID="EUR">2622.12</cbc:BaseAmount>
        <!-- Code omitted for clarity -->
    </cac:AllowanceCharge>
    <!-- Code omitted for clarity -->
</ubl:Invoice>