General Information

Important USA Travel Advice Regarding Visas

The sites and 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, time lines, communities served, required documentation, and fees.

Letters from ACM

International registrants should be particularly aware and careful about visa requirements, and should plan travel well in advance. All visa inquiries must be handled by ACM headquarters.

Please note that ACM does not issue formal "letters of invitation" to any of its conferences.

Please send your request for a letter in support of a visa application to Ashley Cozzi at ACM headquarters:

Your request must include:

  • Your name
  • Mailing address
  • Fax number
  • Name of the conference you are attending
  • Authors of papers/posters should also include the title of the paper or poster.


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