The supplier/brand, identified by a GLN

taxcon_Required
Yes
taxcon_Examples
 <supplier gln="7340117815580" name="Btwentyfour Demo Supplier" contact="ReferenceName" reference="ReferenceNumber" orgNo="99999999-9999" vatNo="GB999999999"> 
taxcon_Xpath

/b24Message/taxControl/supplier/@gln

taxcon_Type
Number
taxcon_Sort
2700.00
taxcon_Id
18