Visa Extension means a temporary staying to more days permission in Vietnam with the purpose for visiting relatives, traveling, business or others. It can be applied some days before your Visa expired date. As, it takes 7 working days to finish and submitting your passport and requirement at Vietnam Immigration Department Office. Detail is given below :-

• Stay in 1 more month : If your current visa is 1 month single, 1 month multiple, 3 month single or 3 month multiple entry visa, you are allowed apply to extend visa in 1 more month.
• Stay in 3 more months : If your current visa is 3 month single or 3 month multiple entry visa, you can apply to extend visa in 3 more months.