Last Updated on October 24, 2025 by 28 Immigration

A) Core Application Requirements (Mandatory for Everyone)

  1. DS-160 Form (Online Application)
    • Fill out at ceac.state.gov.
    • Upload a digital photo (must meet U.S. standards).
    • Print the DS-160 confirmation page with barcode.
  2. Visa Appointment Registration (USTravelDocs)
    • Create an account at ustraveldocs.com/th.
    • Pay the MRV visa fee (~USD 185, in Thai Baht).
    • Book appointment at U.S. Embassy Bangkok or U.S. Consulate Chiang Mai.
    • Print appointment confirmation page.
  3. Passport (Original + Copies)
    • Valid for at least 6 months beyond intended stay in the U.S.
    • At least 2 blank pages.
    • Include old passports showing travel history.
  4. Photograph
    • 2×2 inches (51×51 mm), color, white background, no glasses.
    • Upload electronically + bring 1 printed photo.
  5. Visa Fee Receipt
    • Proof of MRV payment.

B) Supporting Documents (Family + Personal Ties)

1. Proof of Relationship with Family in the U.S.

  • Invitation letter from family member in the U.S. (explaining purpose of visit, duration, where you will stay).
  • Copy of family member’s U.S. passport, Green Card, or U.S. visa status.
  • Proof of relationship:
    • Birth certificates (showing parent/child link).
    • Marriage certificates (if visiting spouse or in-laws).
    • Family photos together.
    • Household registration (Tabien Baan) showing family ties.

2. Purpose of Travel

  • Travel itinerary: flights, hotels (if not staying with family).
  • Cover letter (in English):
    • Purpose: visiting family + tourism.
    • Duration of stay.
    • Who will fund the trip (self or family in U.S.).
    • Explanation of family ties in U.S. and Thailand.
    • Strong commitment to return to Thailand.

3. Financial Proof (Applicant and/or U.S. Family Sponsor)

  • Applicant’s financials:
    • Bank statements (3–6 months).
    • Savings/fixed deposits.
    • Salary slips and employment documents.
  • If U.S. family member covers expenses:
    • Letter of financial support.
    • Recent bank statements of sponsor.
    • Employment letter of sponsor.
    • Proof of accommodation (lease, utility bills).

4. Proof of Ties to Thailand

  • Employment: Letter from employer (position, salary, leave approval).
  • Business ownership: Company registration (DBD), tax filings.
  • Students: Certificate of enrollment, letter of leave.
  • Family: Marriage certificate, birth certificates of children, household registration.
  • Assets: Property deeds, land ownership, car registration, investments.

5. Previous Travel History

  • Copies of visas (U.S., Schengen, UK, Japan, Korea).
  • Passport stamps showing compliance with visas.

C) Special Cases

  • Parents visiting children in U.S.: Child’s birth certificate + documents showing legal status in U.S.
  • Children visiting parents in U.S.: Parent’s documents proving residency and relationship.
  • Elderly applicants: Proof of support in Thailand (family, retirement income).
  • If entire family applies together: Each applicant must submit their own DS-160 and appointment.

D) Embassy Interview Preparation

  • Be ready to explain family ties and reason for visit.
  • Common interview questions:
    • Who are you visiting in the U.S.?
    • What is your relationship?
    • How long will you stay?
    • Who will pay for your expenses?
    • What do you do in Thailand?
    • Why will you return to Thailand?
  • Answers must be clear, consistent, and truthful.

E) Pre-Interview Checklist

✅ DS-160 confirmation page.
✅ Appointment confirmation.
✅ Passport (valid 6+ months).
✅ 2×2 inch photo.
✅ MRV fee receipt.
✅ Invitation letter from U.S. family.
✅ Proof of relationship (birth/marriage certificates, family photos).
✅ Cover letter (purpose + ties).
✅ Applicant’s financial proof.
✅ Family sponsor’s financial proof (if applicable).
✅ Proof of ties to Thailand (job, business, family, assets).
✅ Previous visas and travel history.
✅ Itinerary (flights, hotels if applicable).