The Association for Computing Machinery does not issue formal invitation letters for visas to attend ACM sponsored conferences. ACM can however issue a visa support letter. For Visa support letters, please send all requests to the Office of SIG Services supportletters@acm.org with the following information:
- Name (as it appears on your passport) and mailing address
- The name of the conference you wish to attend
- Include your registration confirmation number
- If you are the author of any papers accepted for the conference, please provide the title. If you are a speaker, please provide the title/topic of your speech.
- Include a fax number or email address of where we can send the letter