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Visa Information


For Attendees from Non-Participating Visa Waiver Program Countries:


To apply for a visa, visit

Visas should be applied for as early as possible and well in advance of the meeting. According to the National Academy of Sciences International Visitors Office, there has been a recent increase in scientists experiencing visa delays of greater than 3 months. Information about visa wait times can be found at


Be advised that you need to apply for Business Visitor Visa (B-1). 2016 ICAD is a scientific meeting. You will be asked to name the meeting ("2016 ICAD") and explain the purpose of your visit.


NOTE: Registration refunds will not be issued after April 6, 2015, for any reason, including the inability to obtain a visa.


For Attendees from Participating Visa Waiver Program Countries:


Effective January 20, 2010, the Department of Homeland Security is transitioning to enforced compliance of the Electronic System for Travel Authorization (ESTA) requirement for Visa Waiver Program (VWP) travelers. Therefore, VWP travelers who have not obtained approval through ESTA should expect to be denied boarding on any air carrier bound for the United States.




Requesting an Invitation Letter


For security purposes, letters of invitation will be sent only to individuals who are registered for the meeting. Once your registration is complete, contact to request a personalized letter of invitation.

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