Can I use this approval letter for entering Vietnam by land?
TOTALLY NO !, this type of visa is applicable to air travel only. Three international airports in Vietnam that you can get your stamp with this approval letter are: Noi Bai International Airport (Hanoi), Tan Son Nhat International Airport (Ho Chi Minh City) and Danang Airport (Danang) and Cam Ranh (Nha Trang) Airport.
Call from outside Vietnam:
Hotline: +84 789 28 6888
SUPPORT: 24/7
LANGUAGE: ENGLISH
Call inside Vietnam:
Hotline: 0789 286 888
SUPPORT: 24/7
LANGUAGE: ENGLISH & VIETNAMESE