03/09/2018
TAX FREE, FROM 1 SEPTEMBER ELECTRONIC INVOICING WILL BE MANDATORY
As of 1 September 2018, it will be mandatory to issue an electronic invoice for tax-free sales to travellers resident or domiciled in non-EU countries. If you who wish to receive VAT refund/remission please make sure that the point of sale issues an electronic invoice.
Further information on http://www.adm.gov.it/.