An Invoice where the VAT category code (BT-151, BT-95 or BT-102) is “Split payment” shall be a domestic Italian invoice.
/ubl:Invoice | /cn:CreditNote
(not(//cbc:IdentificationCode != 'IT') and (//cac:TaxCategory/cbc:ID ='B' or //cac:ClassifiedTaxCategory/cbc:ID = 'B')) or (not(//cac:TaxCategory/cbc:ID ='B' or //cac:ClassifiedTaxCategory/cbc:ID = 'B'))