Types of visa:

1. Tourist Visas
   - Available 1 month single entry and 1 month multiple entry.
   - Maximum stay in Vietnam of one month.
   Tourist visas may be extended after your arrival in Vietnam.
   

2. Diplomatic and official Visas
   - No fees unless otherwise agreed upon between Vietnam and applicant' s country.
   - On applying this visa, the applicant must submit an official letter from the concerned agencies of local government, foreign embassies or consulates accredited to the applicant's country, international organizations, or other accredited organizations based in that country.
   

3. Business or other types of Visas
   - On applying this visa, the applicant should obtain the approval through their sponsor in Vietnam.
   - Multiple entry and stay of 3 month or 6 month is possible.