Italian trasmission of self invoices to "Agenzia delle Entrate" is mandatory. The procedure to do a self invoice in QuickBooks is the following:  Record a supplier bill in QuickBooks and select one of the VAT codes provided by FCC that implies self invoicing Open FCC Accounting System and, after reviewing the resulting self invoice, click on the button that transmit that invoice to the government It is important to know that, just like customer electronic invoices, once a self invoice is transmitted to the government, it can't be deleted from QuickBooks