To help a recipient buyer to identify the Supplier, you must include the following in your EN-16931 Documents:

You must specify an ID for the Supplier.
You must also include a Tax ID for the Supplier or the Supplier's legal entity.

Use the ID subelement of the AccountingSupplierParty element to model the Supplier's ID. Use the CompanyID subelement to model the Suppliers or their legal entity's Tax ID.

More information is provided in the Suppliers topic.

Elements

Element	Description
`Invoice/AccountingSupplierParty/Party/PartyIdentification/ID`	Supplier's ID.
`Invoice/AccountingSupplierParty/Party/PartyTaxScheme/CompanyID`	Supplier's Tax ID.
`Invoice/AccountingSupplierParty/Party/PartyLegalEntity/CompanyID`	Supplier's legal entity's Tax ID.

Example

The following example shows a Supplier's ID:

<Invoice>
    <!-- code omitted for clarity -->
    <cac:AccountingSupplierParty>
        <cac:Party>
            <!-- Seller Identifier -->
            <cac:PartyIdentification>
                <cbc:ID schemeID="0088">4300010000001</cbc:ID> 
            </cac:PartyIdentification>
            <!-- code omitted for clarity -->
            <cac:PartyTaxScheme>
                <!-- Seller Tax Registration Identifier -->
                <cbc:CompanyID>DE123456789</cbc:CompanyID>
                <cac:TaxScheme>
                    <cbc:ID>VAT</cbc:ID>  
                </cac:TaxScheme>
            </cac:PartyTaxScheme>
            <!-- code omitted for clarity -->
            <cac:PartyLegalEntity> 
                <cbc:RegistrationName>Seller Legal Registration Identifier</cbc:RegistrationName>  
                <!-- Seller Tax Registration Identifier -->
                <cbc:CompanyID>F34.983294.001</cbc:CompanyID>  
            </cac:PartyLegalEntity>
        </cac:Party>
    </cac:AccountingSupplierParty>
    <!-- code omitted for clarity -->
</Invoice>