For visa support letters please fill out this form: https://supportletters.acm.org. You will need the following information:
- Your name as it appears on your passport
- Your current postal mailing address
- Name of conference and 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