Visa Information

Do You Need a Visa?

Some international visitors will need to get a visa to travel to the US. To get the latest and official information on US visas and to see if you need a visa please visit

While the visa process typically varies from country to country (and sometimes region to region), it is best to start the process as early as possible to be able to satisfy all of the requirements and paperwork.

The visa process usually starts by visiting your local US embassy. Start by visiting the online list of US embassies.

Additional information is available on the ACM Sigsoft Visas page.

Visa Support Letters

Visa support letters can be requested by those who have finished the registration process and paid their fees; the email contact will be provided during the registration process.