For visa support letters, contact supportletters@acm.org. Please allow up to 10 business days to receive a letter. All requests are handled in the order they are received. The information below should be included with the request:

• Your name as it appears on your passport
• Your current postal mailing address
• The name of the conference you are registering for
• Your registration confirmation number
• If you have any papers accepted for the conference, please provide the title and indicate whether you are the “sole author” or a “co-author”
• Authors may indicate their paper title. If no paper, speakers can provide the title of their presentation