International Travelers

Obtaining US Visa's

For those IRPA 2024 participants traveling from a foreign country, please be advised that the U.S. requires a visa for most international travelers, except travelers from Canada and countries participating in the Visa Waiver Program. To obtain the visa electronically, go to

From the ESTA welcome page
International travelers who are seeking to travel to the United States under the Visa Waiver Program are now subject to enhanced security requirements. All eligible travelers who wish to travel to the U.S. under the Visa Waiver Program must apply for authorization and pay the fee.

The application process is explained on the ESTA website listed above. Voluntary ESTA applications may be submitted at any time prior to travel to the United States, and Visa Waiver Program travelers are encouraged to apply for authorization as soon as they begin to plan a trip to the United States. There are currently 38 countries participating in the Visa Waiver Program

To apply for a visa, visit
If you need a VISA letter for your VISA application, please email us at

We would be happy to send you a letter on IRPA letterhead stating you are invited to attend the IRPA meeting in Orlando, Florida, during the dates of the meeting. If you need additional information on the letter, such as the date you are going to your visa interview or placing your application number on the letter, we are happy to include that. We are also happy to include your presentation title if you are presenting an abstract. We do require you to be registered for the IRPA meeting in advance of sending out an invitation letter, please make sure toregister first.