International Attendees

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International Attendees

We look forward to welcoming you to the OTA 2025 Annual Meeting in Phoenix, Arizona.

If you are traveling to the OTA 2025 from outside the United States, the following resources provide helpful information for planning your trip.

If you have any questions regarding your travel, please visit https://travel.state.gov/content/travel.html, or https://travel.state.gov/content/travel/en/us-visas or check in with your embassy.

Please note: OTA cannot intervene with U.S. embassies abroad or with the U.S. State Department. It is recommended that you bring your invitation letter (download below) and your meeting confirmation to your visa interview.

FAQs

Do you need a letter of invitation to travel to the United States?

Please note that obtaining an appointment for a visa could take more than three months. If you are not a U.S. citizen or U.S. permanent resident, you may require a nonimmigrant visa to enter the United States. Nonimmigrant visas are for international travelers coming to the United States temporarily. To help secure your visa, you can use the downloadable form to create a personalized invitation letter to OTA 2025.

Please download the letter of invitation here.

Please note: OTA cannot intervene with U.S. embassies abroad or with the U.S. State Department. It is recommended that you bring this letter and your meeting registration confirmation to your visa interview.

Where to find more information about visiting the United States?

You can find official U.S. Visa information for temporary visitors here: U.S. Visa information for temporary visitors.

How to find out if I am eligible for the Visa Waiver Program (ESTA)?

To find out if you're eligible for the Visa Waiver Program (ESTA), click here.

Where may I find more information and help once I am in the United States?

You can find support and resources by visiting a U.S. embassy or consulate. Find an embassy or consulate in the United States.

I need a Certificate of attendance. How may I receive one?

While on-site in Phoenix, you can obtain your Certificate of Attendance at the end of the International Trauma Care Forum if you are attending this course, or at the Registration desk located at the North Hall Lobbies A - C.