What is Vietnam Visa approval letter?

It is an official document given by the Vietnam Immigration Department, which is named as "Vietnam visa approval letter, Invitation letter or authorization letter". When you have this letter in hand, you are permitted to enter Vietnam, At your arrival airport, you will get your visa stamped then you can enter and exit Vietnam within the given period mentioned on the Vietnam Visa approval letter.

To get this letter, there are steps as below:

1 - Submit the visa form at http://www.vietnamvisaprovider.com/apply-Vietnam-visa

2 - Pay the processing fee as you see at http://www.vietnamvisaprovider.com/vietnam-visa-fees. As soon as we receive you passport information, we will check again and send you an invoice to pay the exact amount Via Paypal or by credit cards. Our visa supporter will guide you.

3 - Get the below visa letter within 2 days as normal, 1 day as urgent, 4 hours as supper urgent.

Please have a look at this sample Vietnam visa approval letter.