Sistema di Interscambio checks that all the required informations are typed in the electronic invoice as required by law (art. 21 bis DPR n.633/1972), such as providers and client's data, number and date of the invoice, description of the invoice, the quantity and quality of product or services, taxable income, rate and VAT.
The system checks that the provider and client's VAT are existing and the receiver address where the file has to be delivered is correct and present in "Codice Destinatario". And finally, it checks the coherency between taxable income, rate and VAT.
