cbc:CompanyID
The buyers registered Value Added Tax identifier. To be stated in case reverse charge is to apply to the purchase.
- Namespace
 cbcurn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2- Data type
 - Identifier
 - udt:IdentifierType
 - Business terms
 - tir01-034
 - Rules
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Identifier/Error message Flag PEPPOL-T01-R026 
When TAX is VAT then Party VAT identifiers SHALL have a prefix in accordance with ISO code ISO 3166-1 alpha-2 by which the country of issue may be identified. Nevertheless, Greece may use the prefix ‘EL’.fatal