Documents required for getting a Vietnam visa include:
1. Passport:
valid for at least 6 months following your arrival date to Vietnam and
have at least 2 blank pages for immigration stamps. A temporary passport
maybe not accepted.
2. Visa Approval Letter: required if you want to get Vietnam visa on arrival at Vietnam international airports.
3. Photo: two (2) passport-sized photos (4×6 cm) and must be taken
recently without glass-wear. Check detailed Vietnam visa photo
requirements.
4. Visa application form
5. Vietnam Visa Stamping Fee: paid in cash upon arrival (for Vietnam visa on arrival)