[ibr-101-ae]-Authority name (BTAE-11) MUST be there when Buyer legal registration identifier type (BTAE-16) is Commercial/Trade license.
ibr-101-ae
cac:AccountingCustomerParty/cac:Party
(cac:PartyLegalEntity/cbc:CompanyID/@schemeAgencyID = "TL" and cac:PartyLegalEntity/cbc:CompanyID/@schemeAgencyName) or not(cac:PartyLegalEntity/cbc:CompanyID/@schemeAgencyID = "TL")