It is an official document issued by the Vietnam Immigration Department. Having this letter in hand, you will be permitted to enter Vietnam, get your visa stamped at Vietnam international airports or Vietnam Embassies/ Consulates and then you can enter and exit Vietnam for a given period. In other words, the Vietnam Visa approval letter allows you to stay in Vietnam within the time cited on it.
We are pleased to inform you that the Immigration Department checks and scans your application very strictly before issuing an approval letter to you. Therefore, you can free your mind from worries and be confident to arrive in any of three Vietnam international airports (Tan Son Nhat, Noi Bai or Da Nang) as long as you have an approval letter in hand. Obviously, you can get your Vietnam visa for sure when you have this approval letter.
Vietnam Visa Approval Letter Sample