Visa Requirements for USA

The countries listed below are eligible to apply for the Visa Waiver Program using the Electronic System for Travel Authorization (ESTA). You must apply at least 72 hours before your departure. Your ESTA is valid for two years from the date of issue. 

Please note Canadian citizens are not required to hold a valid ESTA. 

The ONLY official ESTA website is

In order to apply you will require a passport from one of the countries listed below and a credit/debit card to pay the fee of $14.

• Andorra
• Australia
• Austria 
• Belgium
• Brunei
• Chile
• Czech Republic
• Denmark
• Estonia
• Finland
• France
• Germany
• Greece
• Hungary
• Iceland
• Ireland
• Italy
• Japan
• Latvia
• Liechtenstein
• Lithuania
• Luxembourg
• Monaco
• Netherlands
• New Zealand
• Norway
• Portugal
• Republic of Malta
• San Marino
• Singapore
• Slovakia
• Slovenia 
• South Korea
• Spain
• Sweden
• Switzerland
• Taiwan (Conditions apply)
• United Kingdom

Delegates who are not from a visa waiver country will need to apply for a B1 visa to enter the United States. You can read more about the process on the U.S. Department of State website

CRYO2020 will provide a letter of support for your visa application. Please note letters of support can only be provided to delegates who have paid the registration fee in full. 

In the event of your visa being denied 100% of your registration fee will be refunded.

Visa Support Letter Application

Please enter the invoice number from the invoice you received following registration. You can find this on either the invoice or receipt, which were emailed to you.
Please format as e.g. December 21, 1974
Please enter the name of the company or organization you are employed or study at.
Please list city and country.
Please format e.g. July 20, 2019
Please format e.g. July 26, 2019
If you have not submitted an abstract please leave blank