​All foreign nationals entering and staying in the French territory must be in possession of a valid entry and stay visa, unless you are exempt from this requirement.

The conference organizers will provide an official invitation letter upon request to help overcome administrative difficulties in certain countries. This invitation will not imply any obligation from the organization to provide any kind of financial contribution.

Invitation letter request should be made by filling the form here below only after paid registration. It must include the participant's complete mailing address, e-mail address and professional or student status proof. Please also include your full name and passport number. For more informations you can visit the French Foreign Ministry web site.