The sites unitedstatesvisas.gov and travel.state.gov have information about obtaining a visa for those traveling to the United States. Both sites have links to websites for U.S. embassies and consulates worldwide. The embassy and consulate websites have very helpful information about procedures, timelines, communities served, required documentation, and fees.
International registrants should be particularly aware and careful about visa requirements and should plan travel well in advance.
The Association for Computing Machinery does not issue formal invitation letters for visas. We can however issue a visa support letter. All visa inquiries must be handled by ACM HQ. Please send your request for a letter in support of a visa application to firstname.lastname@example.org with the following information:
Please note that visa support letters are issued via email by PDF and the original is mailed to your current postal address.