US Visa

The American Physical Society provides updated visa information.


Visa Waiver Program

The US State Department's Visa Waiver Program (VWP) allows most citizens and nationals of participating countries to enter the US for stays of up to 90 days without first obtaining a visa. Travelers eligible for the Visa Waiver Program must have a valid Electronic System for Travel Authorization (ESTA) approval prior to travel. For more information on the Visa Waiver Program, including a list of participating countries and requirements, please visit the US Visa Waiver Program Website.

While in most cases an invitation letter is not necessary to apply for ESTA, upon request the conference organizers will provide a letter which you can bring and show to immigration officials when entering the US. To request an invitation letter, please check the "Request Invitation Letter" box on the registration form or email the organization committee at . We may follow up with you to request additional information such as a passport number and required contact information.


Applying for a US Travel Visa

We encourage international travelers who require a visa to enter the United States to apply as soon as possible. Upon request, the conference organizers will provide a letter of invitation to all bona fide conference attendees that can be submitted with the visa application. To request a letter, please check the "Request Invitation Letter" box on the registration form or email the CCP2018 organization committee at . We may follow up with you to request additional information such as a passport number and required contact information. In the event that you register for the conference and your visa application is denied, the organizers will waive the normal cancellation penalty and provide you a full refund of the conference registration fee.

The United States National Academy of Sciences (US-NAS) has setup a website to assist all foreign conference attendees who need to apply for a visa. This website is an important resource for scientists attending conferences in the United States. In addition to providing background material, the site provides information regarding country specific visa requirements, advice regarding possible visa delays, and advice to travellers upon arrival in the United States.

The conference organizers have registered CCP2018 with the US-NAS. According to the US-NAS, this insures that information about CCP2018 will be shared with the US Department of State Visa Services and should be available to US Consular Offices worldwide.

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