Visa support letters can be requested by sending an email to supportletters@acm.org with the following information:

• Your name as it appears on your passport
• Current mailing address
• The name of the conference you wish to attend
• If you have any papers accepted for the conference, please indicate whether you are the sole author or a co-author, and provide the full title of the document
• Registration confirmation number

Please note it can take several days after a request is made to receive a letter. All requests are handled in the order they are received.