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Thailand Long-Stay Visa Ladder — Non-Immigrant B, DTV, LTR, and Smart Visa
Document Checklist
หนังสือเดินทาง (Nangsue Doen Thang)
Passport
Required: Original passport with at least six months remaining validity; biodata page submitted with every route's consular package and BOI endorsement application
Cost: Already issued
The passport is required at every stage — consular submission, BOI endorsement (for LTR and Smart Visa), port-of-entry inspection, and any in-country extension at the Immigration Bureau Suan Plu office.
รูปถ่าย (Roop Thai)
Recent photograph
Required: Taken within the past six months; uploaded as a large, clear JPEG or PDF for e-Visa filings
Cost: Varies by photo studio
All four routes require the same recency standard. The embassy specifies JPEG or PDF for Smart Visa uploads; the other routes follow the same e-Visa portal upload format.
หลักฐานที่อยู่ปัจจุบัน (Lakthan Thi Yu Patchuban)
Proof of current location
Accepted: Driving licence, utility bill, lease, bank statement, or other proof of stay at the applicant's current address in the consular district
Cost: Already issued
Smart Visa applications accept the document indicating current location in the same format as the other routes. The applicant should match the consular district to the proof of stay.
รายการเดินบัญชี (Rai Karn Doen Banchee)
Bank statements (route-specific threshold)
Non-Immigrant B: Three preceding months at no less than USD 1,000 per month for a single applicant or USD 2,000 for an applicant with family
DTV: Three preceding months at no less than ฿500,000 (or USD 16,000) per month, or a sponsor letter meeting the equivalent threshold
LTR: Category-specific evidence — annual income statements for the past two years (Highly-Skilled and Work-from-Thailand), asset statements (Wealthy Global Citizen), pension and passive-income statements (Wealthy Pensioner), plus a USD 100,000 deposit maintained 12 or more months for the medical-financial floor
Smart Visa: Per Board of Investment endorsement schedule; not published verbatim on the consular surface
Each route reads the threshold as a per-month floor (DTV and Non-Immigrant B) or a maintained-balance floor (LTR deposit). Freshly funded LTR accounts do not satisfy the 12-month maintenance requirement.
ใบ WP3 / ใบอนุญาตทำงาน (Bai WP3 / Bai Anuyat Tham Ngan)
WP3 letter (Non-Immigrant B only)
Required: Approval letter issued by the Ministry of Labour to the Thai employer in advance of the applicant's consular submission; the embassy preserves the form label as 'WP32'
Where to get: Department of Employment, Ministry of Labour — the employer files the request before the applicant approaches the consulate
Cost: Already issued
Internship applicants substitute the WP3 with a letter from the Thai company confirming the internship period and position. Teaching applicants additionally submit a criminal-clearance certificate from the FBI or state police issued within the prior three months.
หนังสือเชิญ / สัญญาจ้างงาน (Nangsue Choen / Sanya Chang Ngan)
Invitation or employment letter (Non-Immigrant B only)
Required: Letter from the Thai employer naming the applicant, the purpose of visit, and the length of stay; signed by an authorised company representative
Cost: Already issued
Business-visitor sub-band (meetings, exhibitions) submits an invitation letter from the host company; employment sub-band submits the signed employment letter.
หลักฐานการมีคุณสมบัติ (Lakthan Karn Mi Khun Sombat)
Eligibility evidence (DTV track-specific)
Workcation: Employment contract or employment certificate with an overseas employer, or a professional portfolio for self-employed remote workers and freelancers
Soft-power activity: Letter of acceptance from the training institute, company, or hospital appointment letter
Dependent: Primary DTV holder's government identification, passport biodata, and DTV visa approval
The applicant selects exactly one of the three DTV tracks; the evidence package matches that track and is filed alongside the financial-threshold bank statements.
หลักฐานการรับรองจาก BOI (Lakthan Karn Rap Rong Chak BOI)
BOI endorsement evidence (LTR and Smart Visa)
Required: Category-specific qualification proof — income, asset, employer-revenue, education credentials for the master's-degree income-reduction alternative, investment placement evidence (where the LTR category requires investment), and the marriage and birth certificates for dependents
Where to get: Board of Investment — Thailand Investment and Expat Services Center (LTR), or the Board of Investment Smart Visa Unit (Smart Visa)
Cost: Already issued
Smart Visa applicants must obtain the Letter of qualification endorsement from the Smart Visa Unit (BOI) before approaching the consulate; the consulate does not accept Smart Visa applications without it.
กรมธรรม์ประกันสุขภาพ (Krommathan Prakan Sukkhaphap)
Health insurance certificate (LTR)
Accepted: Health insurance of at least USD 50,000 coverage, or evidence of Thai social-security enrolment, or a bank deposit statement showing USD 100,000 maintained for 12 or more months (USD 25,000 per dependent)
Cost: Varies by insurer
The medical-financial floor is identical across the four LTR primary categories; dependents are assessed separately at the lower USD 25,000 per-dependent threshold.
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