VISA資訊

Helpful quick links from the U.S. Department of State:

• Business Visa Center
• Learn how to apply for a business related (B-1) visitor visa
• Find your country's embassies and consulates to find out how to make an interview appointment, pay the visa application fee, and much more.
• Frequently asked questions

To estimate how long you will have to wait to get an interview appointment to apply for a visa, please go to the Visa Wait Time website.

Invitation Letters

Your invitation letter will be processed as a PDF electronic file. If you need to receive an original letter document, it can be faxed to your attention or delivered via mail.

The last day to request an electronic/PDF or faxed hard copy invitation to International CTIA WIRELESS 2012 is Wednesday, May 2, 2012. The last day to request a mailed hard copy is Wednesday, April 18, 2012.