[ibr-tdd-44] – The cac:TaxRepresentativeParty (BG-11) element MUST NOT contain elements other than cac:PostalAddress (BG-12) and optionally cac:PartyTaxScheme.
ibr-tdd-44/pxs:TaxData/pxs:ReportedTransaction/pxs:ReportedDocument/cac:AccountingCustomerParty/cac:TaxRepresentativePartycount(*[not(self::cac:PostalAddress or self::cac:PartyTaxScheme)]) = 0