ICTIR 2015   September 27-30, 2015                                                Northampton, Massachusetts (USA)

ACM SIGIR International Conference on the Theory of Information Retrieval

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Visa Support Letters

ACM provides visa support letters for attendees as well as authors with accepted papers, posters, or members of the conference committee.

For visa support letters, send email to:  supportletters@acm.org.  Please allow up to one week to receive the letter from ACM. Requests will be handled by ACM in the order that they are received.  Please include the following information with each request:

  • Name (as it appears on attendee’s passport) and mailing address
  • The name of the conference attendees is registering for
  • Attendee’s registration confirmation number
  • Authors may indicate their paper title. Speakers can provide the title of their talk.
  • Include a fax number or email address of where letter can be sent