The association does not issue formal invitation letters for visas. We can however issue a visa support letter. For that purpose, please send a request to the Office of SIG Services supportletters at at ACM headquarters with the following information:

  • Name (as it appears on your passport) and mailing address;
  • Residence address and a ship-to address if different
  • 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;

Those requesting a letter should allow up to one week to receive it, as requests are handled in the order they are received.