Individuals requiring letters of invitation to obtain travel visas may contact NNT by email to chouasst@princeton.edu.

Please include your full name as it appears on your passport, complete mail address, phone and fax number.

All letters of invitation will be sent by airmail (or fax if indicated), unless a Federal Express account number or credit card number with expiration date is provided on the original request. Please allow ample time for processing requests.