/ubl:Invoice/cac:TaxTotal[cbc:TaxAmount/@currencyID = ../cbc:DocumentCurrencyCode]/cac:TaxSubtotal/cec:UBLExtensions/cec:UBLExtension/cec:ExtensionContent/vrbl:TaxSubtotalExtension

Invoice Tax Subtotal Extension Group

Italy | VRBL-Invoice-IT-1p2
Context ID INV1041
Usage O

Description

Extensions on Tax Subtotal level. Note: Check UBL-2.4 extension mechansim for usage. This is a simplified view. See xpath for full path to element

Child elements
Usage Element Description Cardinality
O vrbl:IncidentalCosts Invoice Tax Subtotal Incidental Costs 0..1
O cbc:RoundingAmount Invoice Tax Subtotal Rounding Amount 0..1
O vrbl:VatMechanism Invoice Tax Subtotal VAT Mechanism 0..1
Details

Example: IT_creditnote_TD04.xml

<ubl:Invoice>
  <!-- ... omitted for readability -->
  <cac:TaxTotal>
    <!-- ... omitted for readability -->
    <cac:TaxSubtotal>
      <ext:UBLExtensions>
        <ext:UBLExtension>
          <ext:ExtensionContent>
            <vrbl:TaxSubtotalExtension>
              <vrbl:VatMechanism>VRBL:IT:I</vrbl:VatMechanism>
            </vrbl:TaxSubtotalExtension>
          </ext:ExtensionContent>
        </ext:UBLExtension>
      </ext:UBLExtensions>
      <!-- ... omitted for readability -->
    </cac:TaxSubtotal>
  </cac:TaxTotal>
  <!-- ... omitted for readability -->
</ubl:Invoice>