[IBR-150-OM] - If Invoice transaction type (BTOM-001) is Special Zone Supplies (XXXXXXXXXXXXX1XXXXXX) , buyer country subdivision code (BTOM-026) and Seller country subdivision code (BTOM-024) MUST be provided using the codelist for Country Subdivision (CL-13-OM).
IBR-150-OMubl:Invoice | cn:CreditNotenot($isSpecialZone) or (cac:AccountingCustomerParty/cac:Party/cac:PostalAddress/cbc:CountrySubentityCode and cac:AccountingSupplierParty/cac:Party/cac:PostalAddress/cbc:CountrySubentityCode)