(last updated 07/08/20: Latest General FAQs (URL) here)
Visa Application Invitation Letter
Official letters of invitation for visa applications are available to REGISTERED and PAID participants only.
These letters do not and cannot commit the Organizing Committee to any financial obligation. Upon successful
completion of your online registration and after having made full payment, please contact
[email protected] to request your visa invitation letter.
Please note that this information is given in good faith but that the regulations may change and the only
authoritative sources of information are the U.S. Government websites at