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Visa Information

The following information is provided on an unofficial basis for the sole purpose of assistance. The Protein Society cannot be held responsible for any change in the data. It is the responsibility of the participant to ultimately validate it from official sources, some of which are named below.

A citizen of a foreign country who seeks to enter the United States generally must first obtain a U.S. visa, which is placed in the traveler’s passport, a travel document issued by the traveler’s country of citizenship. Don’t forget to ensure you have a valid passport at all times.  To learn more, visit the U.S. Department of State Travel website. 

Letters of Invitation

To assist international attendees in obtaining a visa, The Protein Society will issue letters of invitation. To obtain a letter of invitation you must first register for the Symposium and pay any registration fees in full. 

To obtain a letter of invitation, please e-mail the following information to symposium@proteinsociety.org:

  • Your full name and complete address 
  • Passport number 
  • Date of birth
  • Date of arrival and date of departure in the United States

Letters will be sent within 3-5 business days of request.

U.S. Visa Waiver Program 

The Visa Waiver Program (VWP), administered by the Department of Homeland Security (DHS) in consultation with the State Department, permits citizens of 38 countries[1] to travel to the United States for business or tourism for stays of up to 90 days without a visa.  Click here to learn more.