|International Lecture Tour|
|U.S. / International
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: