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2. UBL Self-billed Invoice
3. ubl:Invoice
4. cac:AccountingSupplierParty
5. cac:Party
6. cac:PartyLegalEntity
7. cbc:CompanyID

An identifier issued by an official registrar that identifies the Seller as a legal entity or person. In order for the buyer to automatically identify a supplier, the Seller identifier (BT-29), the Seller legal registration identifier (BT-30) and/or the Seller VAT identifier (BT-31) shall be present

Cardinality

0..1

Namespace

cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2

Data type

Identifier

Example value

987654321

Business terms

BT-30

Attributes

Use	Name	Description
O	@schemeID	Seller legal registration identifier identification scheme identifier The identification scheme identifier of the Seller legal registration identifier. Example value: 0002

Rules

Identifier/Error message	Flag
BR-CO-26 In order for the buyer to automatically identify a supplier, the Seller identifier (BT-29), the Seller legal registration identifier (BT-30) and/or the Seller VAT identifier (BT-31) shall be present.	fatal
BR-CL-11 Any registration identifier identification scheme identifier MUST be coded using one of the ISO 6523 ICD list.	fatal