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Thailand visa answer bank — LTR, DTV and staying on in Thailand
Answers to the Thailand visa questions applicants actually ask: the BOI-administered LTR visa, the DTV for remote workers and Thai Soft Power activities, filing through Thai e-Visa, and extending stay on form TM.7 — plus which supporting documents must be translated and certified. Based on MFA, Immigration Bureau and BOI announcements. (27+ search topics covered)
How does a visa differ from permission to stay?
Can a DTV holder work for a Thai company?
What is the LTR visa and who decides it?
Does the Immigration Bureau accept documents in English without translation?
Can I change visa category inside Thailand?
What is the DTV and how does it differ from the LTR?
How should financial evidence be presented?
What is the difference between TM30 and 90-day reporting?
- Thai e-Visa Official Portal (กระทรวงการต่างประเทศ) — ช่องทางยื่นวีซ่าเข้าประเทศไทยอย่างเป็นทางการ
- สำนักงานตรวจคนเข้าเมือง (Thai Immigration Bureau) — ระเบียบการต่อวีซ่า รายงานตัว 90 วัน และ re-entry permit
- สำนักงานคณะกรรมการส่งเสริมการลงทุน (BOI) — LTR Visa และ SMART Visa
- LTR Visa – Thailand Board of Investment
Need your documents reviewed or your case assessed? Ask our team by phone, LINE, or email. We reply during business hours (Mon–Fri 9:00–18:00, Sat 9:00–15:00, ICT).

Thai visas and extensions — documents, steps and common mistakes
Keep three concepts separate: the visa (permission to travel), the permission to stay stamped at entry, and the work permit. A visa never guarantees admission — the immigration officer at the border decides.
Documents to prepare
- • Passport with sufficient validity and blank pages
- • The application form for your category plus compliant photos
- • Proof of address in Thailand and a TM.30 filed by the housemaster
- • Financial evidence meeting the category rules, seasoned for the required period
- • Category-specific support: marriage certificate, company affidavit or school acceptance letter
- • Foreign documents translated and legalised through the inbound chain
Step-by-step process
- 1. Match the category to your purpose — Confirm eligibility criteria before assembling any paperwork.
- 2. Prepare and translate documents — Foreign records need home-country certification plus a Thai-accepted translation.
- 3. File through the correct channel — Thai embassy abroad, the e-Visa system, or an immigration office in Thailand as applicable.
- 4. Post-approval obligations — TM.30 notification, 90-day reporting, and a re-entry permit before leaving the country.
Pitfalls and rejection causes
- • Leaving Thailand without a re-entry permit cancels an extension of stay immediately.
- • 90-day reporting is not a visa extension — they are unrelated obligations.
- • Funds must be seasoned for the stated period, not deposited the day before filing.
- • Holding a visa is not permission to work; a separate work permit is required.
Tips from our team
- • Keep copies of every entry stamp and TM.30 for smoother extensions.
- • Read your permitted-to-stay date from the stamp, not the visa validity.
- • Always carry a spare document set; offices differ in copy requirements.
Prefer not to handle the queues yourself, or worried about a rejection? Send us photos of your documents for a free pre-check. We handle the full chain — obtaining certified copies, translation, certification and submission — and keep you updated at each step. Reach us on LINE, phone or email during business hours.
Comparing routes into a Thai visa
Applying abroad, applying online, or adjusting status inside Thailand give different lengths of stay and later flexibility.
| Route | When to use | Certifying authority | Approx. duration | Rejection risk |
|---|---|---|---|---|
| Apply at a Thai embassy or consulate abroad | You can plan ahead and want the correct category from the outset | Royal Thai Embassy or Consulate-General | Variable by post | Document lists and residency rules differ per post — check that specific post |
| Official e-Visa system | Your category and country of residence are supported online | MFA Thailand e-Visa system | Variable — file well before the travel date | Files not matching the system's format specification are auto-rejected |
| Change or extend status inside Thailand | You are already in Thailand and meet the published criteria | Immigration Bureau | Variable — file several days before expiry | Too few days remaining forces you to leave and re-apply |
Timelines above are practical estimates from live casework and can change with each authority's policy; confirm with the receiving authority before booking travel. If you would rather not test routes by trial and error, our advisers can assess which route fits your case.
We do not just process documents — we advise you through the whole case
Our team has worked on cross-border documents, certified translation and government liaison for over 15 years. Most rejections we see are not caused by missing paperwork but by choosing the wrong route on day one, so we always start with a case assessment.
Route assessment
We look at your destination, purpose and deadline, then tell you which certification route applies — and which steps you can skip.
Pre-submission review
Name spelling, consistency across documents, document age and translation format are checked before anything reaches a counter.
Timeline planning
We sequence the steps around your appointment or travel date and flag bottlenecks in advance.
Rejection recovery
We read the refusal reasons, identify the underlying cause, and plan a resubmission that answers what the authority asked for.
Rather not learn by trial and error? Send your case details and document photos for a review — reach us on LINE, phone or email during business hours.
Practical questions · Near me / DIY / Required documents
What is the route for Thai company documents used abroad?
Must the company affidavit be freshly issued?
How is a corporate power of attorney certified?
Business, tax and legal work: advice and cautions
Check for sector-specific licences
Some activities need a licence from a specialist regulator before operating. Verify at the planning stage.
Separate personal and company banking
Mixed accounts complicate financial statements and tax explanations, and cause problems when bank evidence supports a visa or work permit.
Keep complete source documents
Tax invoices, receipts and contracts should be filed systematically per accounting period to support any later audit.
Assess tax residence before planning
Liability depends on tax residence and any applicable double-tax agreement; evaluate before moving funds or receiving cross-border income.
Improper nominee shareholding
Using nominees to bypass foreign business restrictions carries serious legal risk. Structure the company lawfully from the outset.
Wills that ignore cross-border assets
Assets in different countries may fall under different succession rules; ensure multiple wills do not contradict each other.
Late statutory or tax filings
Late filing triggers statutory surcharges and penalties and can affect renewal of foreign executives' work permits.
Outdated company certificates
Certificates submitted should be freshly issued and consistent with the current register, or the receiving authority will refuse them.
Requirements differ by authority and destination country and can change. Confirm current conditions with the receiving authority, or ask our team by phone, LINE or email.
What clients usually handle next
One document set often moves through several stages — translation, notarial certification, legalization and finally a visa filing. The links below follow that real sequence.
- Certified document translation, all languagesTranslations for Thai and overseas authorities with a certification statement
- NAATI-certified translation for Australia & New ZealandTranslations accepted by Australian government agencies, with certifier stamp
- Notarial services by a licensed Thai attorneySignature witnessing, certified true copies, affidavits and powers of attorney for overseas use
- MFA legalization at the Department of Consular AffairsThe step after translation for documents used abroad or filed with an embassy
- Police clearance certificateFiled with the Royal Thai Police Special Branch, with translation and legalization
- Thai–foreign marriage registrationAffirmation of freedom to marry, embassy certification and district office registration
- กองสัญชาติและนิติกรณ์ กรมการกงสุล กระทรวงการต่างประเทศ — หน่วยงานรับรองนิติกรณ์เอกสาร (legalization) ของประเทศไทย
- สำนักงานตรวจคนเข้าเมือง (Thai Immigration Bureau) — ระเบียบการต่อวีซ่า รายงานตัว 90 วัน และ re-entry permit
Authority requirements change. Verify with the receiving authority before filing, or ask our team by phone, LINE or email.