Scheme identifier

If used, the identification scheme shall be chosen from the entries of the list published by the ISO/IEC 6523 maintenance agency.

About

Cardinality: 0..1
Semantic datatype: Code
Section: Shared
Name: Scheme identifier
Syntax binding: ubl:Invoice / cac:AccountingCustomerParty / cac:Party / cac:PartyLegalEntity / cbc:CompanyID / @schemeID