Use the CompanyID to specify the TIN. You can specify it for a Seller, Buyer or the party to whom goods are shipped.

Elements

The TIN must be provided in the PartyTaxScheme element:

Element	Description
`Invoice/AccountingSupplierParty/Party/PartyTaxScheme/CompanyID`	Supplier's TIN.
`Invoice/AccountingCustomerParty/Party/PartyTaxScheme/CompanyID`	Buyer's TIN.
`Invoice/Delivery/DeliveryParty/PartyTaxScheme/CompanyID`	Shipped To party's TIN.

Example

The following example specifies the Company ID for a supplier:

<ubl:Invoice>
	<!-- Code omitted for clarity -->
	<cac:AccountingSupplierParty>
		<cac:Party>
			<!-- Code omitted for clarity -->
			<cac:PartyTaxScheme>
				<cbc:CompanyID>C2584563222</cbc:CompanyID>
				<cac:TaxScheme>
					<cbc:ID>VAT</cbc:ID>
				</cac:TaxScheme>
			</cac:PartyTaxScheme>
			<!-- Code omitted for clarity -->
		</cac:Party>
	</cac:AccountingSupplierParty>
	<!-- Code omitted for clarity -->
</ubl:Invoice>