[ibr-tdd-86] – The cac:PartyLegalEntity element MUST NOT contain elements other than cbc:RegistrationName (BT-044).
ibr-tdd-86/pxs:TaxData/pxs:ReportedTransaction/pxs:ReportedDocument/cac:AccountingCustomerParty/cac:Party/cac:PartyLegalEntitycount(*[not(self::cbc:RegistrationName)]) = 0