International Attendees

The Best of ASCO Meetings bring together oncology professionals from all over the world. If you are not a United States citizen and plan to attend a Best of ASCO Meeting, advance planning is critical.

Do you need a visa?

As soon as travel to the United States is considered, non-U.S. citizens should identify whether a visa is needed.

Effective January 20, 2010, citizens of Visa Waiver countries may be unable to enter the United States without Electronic System for Travel Authorization (ESTA) approval from the U.S. Government. For more information about how to apply for ESTA authorization, visit the U.S. Customs & Border Protection website.

For non-U.S. travelers who do need a visa to enter the United States, it is important that you begin the visa application process as soon as you register for the Meeting. The application and interview process varies from country to country, and can take up to 90 days to complete. After you register for the Meeting, you will be provided website link where you may request a visa letter of invitation.

When does your U.S. visa expire?

If the traveler already has a U.S. visa appropriate for this travel, check the expiration date on the visa to make sure it will not expire before the planned travel date.

When does your passport expire?

In many cases, a visa will not be issued if the traveler’s passport will expire prior to six months after the traveler’s planned entry into the United States. For example, the 2017 ASCO Annual Meeting begins June 2, 2017. Passports for non-U.S. citizens traveling to the United States for the ASCO Annual Meeting must not expire before December 1, 2017.

When should you apply for a U.S. Nonimmigrant Visa?

Non-U.S. citizens should apply for a U.S. Nonimmigrant Visa within 90 days before the anticipated travel date. Visa processing times vary from country to country and can change depending on the time of year—average visa wait times can be found on the U.S. State Department website.

How should you apply for a U.S. Nonimmigrant Visa?

Visit the website of the local U.S. Embassy or Consulate in your country to find out the process for applying for a U.S. visa, and how long it will take. Visa applicants will need to schedule an interview appointment as a first step in the visa process.

Additional planning time beyond the guidelines above are needed for visa applicants applying at some embassies because of to the time required to schedule an interview appointment. Additionally, the wait times for a “Nonimmigrant Visa” do not include time for required security clearances or administrative processing, which may extend beyond the general timeframe guidelines.

For more information about obtaining a visa, please visit the State Department website.