Reference
Markdown exportBT-32 Seller tax registration identifier
Tax registration identifier of the seller used in domestic tax processes.
Quick answer
Tax registration identifier of the seller used in domestic tax processes.
Seller details
Who issued the invoice and how the recipient can identify that business reliably.
In plain language
Tax registration identifier of the seller used in domestic tax processes.
Tax registration identifier of the seller used in domestic tax processes.
This field complements the VAT ID when the tax administration or the buyer expects the domestic tax number as well.
What you usually enter here
Domestic tax registration number
Typical valid values include: 123/4567/8901
Optional according to EN 16931-1.
What goes wrong often
Avoid values like:
Examples in context
This field complements the VAT ID when the tax administration or the buyer expects the domestic tax number as well.
Optional according to EN 16931-1.
Valid Examples
Use these points as the practical checks for this section.
- 123/4567/8901
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-32
Data Type:
identifier
Cardinality:
0..1
Requirement:
Optional
Max Length:
30 characters
Since Version:
Optional
XML Implementation
/Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:CompanyID/CrossIndustryInvoice/SupplyChainTradeTransaction/ApplicableHeaderTradeAgreement/ram:SellerTradeParty/ram:SpecifiedTaxRegistration/ram:ID[@schemeID="FC"]Why the standard cares about this field
Business Context
This field complements the VAT ID when the tax administration or the buyer expects the domestic tax number as well.
Legal Requirement
Optional according to EN 16931-1.