FAQs

Travel restrictions are constantly changing so we suggest foreign travelers contact the U.S. Embassy Consulate at http://www.usembassy.gov for the latest rules. Please note that visa processing times may be longer than in the past.  

After identifying that a visa is needed, foreign travelers should contact the U.S. Embassy Consulate at http://www.usembassy.gov. Look for posted time frames on the Internet or call the Consular Section to hear recorded information about visa processing time frames. The State Department’s recommended first source of up-to-date visa information is http://travel.state.gov/visa/visa_1750.html.  

ISA recommends following these guidelines for getting a visa for entry into the United States:  

• Request a letter of invitation to attend ISA Sign Expo® 2024 at least four (4) months prior to ISA Sign Expo. You must finish the registration process and payment in order to receive the visa invitation letter from ISA.  
• Applicants should present their entire trip itinerary, including travel to any countries other than the United States, at the time of visa application.  
• Provide evidence that you intend to return to your country of residence; applicants should provide proof of “binding,” or sufficient, ties to their home country or permanent residence abroad. This may include documentation of the following: family ties in home country or country of legal permanent residence, property ownership, bank accounts, and/or an employment contractor statement from an employer stating that the position will continue after the dates of the meeting.  

Fill out this form to request a visa letter for ISA International Sign Expo® 2024.