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U.S. / International
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International Section

Travel Visas

To Attend Scientific Meetings in the United States

The number one rule for international scientists seeking a visa to attend a professional meeting in the United States is to apply at least 3 months in advance.

Procedures for international scientists seeking a visa to enter the United States or seeking answers to questions related to visa-related issues the United States is provided by the International Visitors Office (IVO) of the U.S. National Academies in Washington, D.C.

Comprehensive information is at: