1. ONE visa application form. http://vietnamembassy-usa.org/sites/default/files/visaform.pdf
2. Original, signed United States of America passport with at least 6 months of remaining validity.
3. Passport-type photograph: 1

For multiple entry requests you must submit a copy of your e-ticket or confirmed itinerary showing more than one entry into Vietnam

1. One visa application form. http://vietnamembassy-usa.org/sites/default/files/visaform.pdf
2. Original, signed United States of America passport with at least 6 months of remaining validity.
3. Passport-type photograph: 1
4. For multiple entry requests you must submit a copy of your e-ticket or confirmed itinerary showing more than one entry into Vietnam.
5. A business letter from either the sending company in the US or sponsoring company in Vietnam. The letter should be printed on company letterhead stationery, addressed to the Embassy of Vietnam, and signed by a senior manager (an equivalent to Vice-President or above). Business letters from US companies should adhere to the following guidelines:
   • Briefly introduce the applicant (please specify employment status/position held in the company by applicant).
   • State the nature of the business to be conducted (ie. business meetings, contract negotiations, etc.) and the names and addresses of companies to be contacted in Vietnam.
   • Specify the Type and desired Validity of the visa (ie. one year multiple entry business visa).
   • Guarantee of sufficient funds for travel.