Reference
BT-30 Seller legal registration identifier
Legal registration identifier of the seller, such as a commercial register number.
Quick answer
Who issued the invoice and how the recipient can identify that business reliably.
In plain language
Legal registration identifier of the seller, such as a commercial register number.
Legal registration identifier of the seller, such as a commercial register number.
This gives the buyer a formal registry-based way to identify the seller as a legal entity.
What you usually enter here
Registry identifier
Typical valid values include: HRB 12345
Optional according to EN 16931-1, but it can satisfy BR-CO-26 together with BT-29 or BT-31.
What goes wrong often
Avoid values like:
Relevant rule codes: BR-CO-26
Examples in context
This gives the buyer a formal registry-based way to identify the seller as a legal entity.
Optional according to EN 16931-1, but it can satisfy BR-CO-26 together with BT-29 or BT-31.
Valid Examples
- HRB 12345
Invalid Examples
XML mapping and field facts
Open the technical reference if you need XML paths, validator rule codes, legal wording, or schema-specific mapping details.
Field ID:
BT-30
Data Type:
identifier
Cardinality:
0..1
Requirement:
Optional
Max Length:
50 characters
Since Version:
Optional
XML Implementation
/Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:CompanyID/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeAgreement/ram:SellerTradeParty/ram:SpecifiedLegalOrganization/ram:IDValidation Rules
BR-CO-26
BR-CO-26
Why the standard cares about this field
Business Context
This gives the buyer a formal registry-based way to identify the seller as a legal entity.
Legal Requirement
Optional according to EN 16931-1, but it can satisfy BR-CO-26 together with BT-29 or BT-31.