Please be advised that IVS Organizers can not provide letter of invitation for VISA purposes.
If you need a visa for your trip to Italy for IVS 2021, please refer to the Italian Ministry of Foreign Affairs VISA website
For information click here
In order to obtain a business VISA to attend an exhibition, you will have to provide evindence of the participation to the Exhibition (confirmation of the registration, flight and hotel reservation, schedule of your business visit) or request your personal visa invitation letter to an Italian company.
In order to request a visa you have to book a Hotel.