This is described in the Routing Overview section and topics.

Examples

Italy

<Invoice>
    <cec:UBLExtensions>
        <cec:UBLExtension>
            <cec:ExtensionContent>
                <vrbl:InvoiceExtension>
                    <vrbl:RoutingDetails>
                        <!-- unique sender ID -->
                        <vrbl:Sender>IT03263240932</vrbl:Sender>
                        <!-- unique receiver ID -->
                        <vrbl:Receiver>GENERIC_IT_FatturaPA_1p2p2</vrbl:Receiver>
                    </vrbl:RoutingDetails>
                </vrbl:InvoiceExtension>
            </cec:ExtensionContent>
        </cec:UBLExtension>
    </cec:UBLExtensions>
    <!-- unique document type id -->
    <cbc:CustomizationID>urn:vertexinc:vrbl:billing:1</cbc:CustomizationID>
    <!-- code omitted for clarity -->
</Invoice>

SMTP

<Invoice>
    <cec:UBLExtensions>
        <cec:UBLExtension>
            <cec:ExtensionContent>
                <vrbl:InvoiceExtension>
                    <vrbl:RoutingDetails>
                        <!-- unique sender ID -->
                        <vrbl:Sender>DE123456789</vrbl:Sender>
                        <!-- unique receiver ID -->
						<vrbl:Receiver>GENERIC_PEPPOL_SMTP_DE_XRECHNUNG_3p0p1</vrbl:Receiver>
						<vrbl:ReceiverDetails>[email protected]</vrbl:ReceiverDetails>
                    </vrbl:RoutingDetails>
                </vrbl:InvoiceExtension>
            </cec:ExtensionContent>
        </cec:UBLExtension>
    </cec:UBLExtensions>
    <!-- unique document type id -->
    <cbc:CustomizationID>urn:vertexinc:vrbl:billing:1</cbc:CustomizationID>
    <!-- code omitted for clarity -->
</Invoice>