What should I do if I find out that I entered the wrong passport number?

Shortly after you submit your Vietnam visa application, you should receive a confirmation email in the email address you provided us with. In this email, we confirm the information you entered earlier. If you find out any mistakes, please contact us right away by sending an email to This email address is being protected from spambots. You need JavaScript enabled to view it., or This email address is being protected from spambots. You need JavaScript enabled to view it.. If you do not catch the mistake until later, you will have to re-apply for a new visa with the correct information.