Immigration Act B.E. 2522 (1979), as amended
Governs visa categories, extensions of stay, residence notification and grounds of inadmissibility.
Northern Thailand — Chiang Mai
Immigration & Foreign Nationals in Chiang Mai
Visas, work permits, residency and lawful status
Why Chiang Mai matters are different
Chiang Mai is the administrative, academic and tourism hub of northern Thailand and home to a large long-stay foreign community. Legal work here spans local business and land matters as well as documents, visas, marriage and succession for long-term foreign residents. Because regional courts and agencies are located in the province, many matters can be completed locally without travelling to Bangkok.
Legal advice and filings on the status of foreign nationals in Thailand — visa categories, extensions, work permits, 90-day reporting, and difficult cases such as overstay, refusal and appeals.
- Many Chiang Mai plots sit in use-restricted zones or carry title documents other than a full chanote, so the title type must be checked before any contract.
- The large long-stay foreign community drives demand for bilingual wills, powers of attorney and documents for use in the client’s home country.
- Hotels, restaurants and tourism businesses rely on long leases, raising lease registration and renewal issues.
- Regional administrative and labour courts sit in the province, so those cases need not be filed in Bangkok.
Courts and authorities in Chiang Mai
Jurisdiction and filing requirements should be confirmed for each matter, because practice and required attachments differ between offices.
| Court / authority | What it handles |
|---|---|
| Chiang Mai Provincial Court and Chiang Mai Municipal Court | Civil and criminal cases within Chiang Mai province |
| Chiang Mai Juvenile and Family Court | Divorce, custody and family matters |
| Labour Court Region 5 | Labour cases in the upper northern region |
| Chiang Mai Administrative Court | Challenges to state decisions in the northern region |
| Chiang Mai Legal Execution Office | Seizure, garnishment and auction of local assets |
| Chiang Mai Provincial Land Office and branch offices | Registration of land and condominium transactions |
| Chiang Mai Immigration Office | 90-day reporting, extensions of stay and residence notification |
| Chiang Mai Provincial Commercial Office | Local business registration services |
What we handle in Chiang Mai
- Business, work, family, retirement and long-term visas
- Work permits and change of employer
- Extensions of stay and re-entry permits
- Overstay, entry refusal and review requests
- Permanent residence and naturalisation
- Supporting documents requiring certified translation and legalisation
The local process, step by step
- 1Review current status and immigration history
- 2Select the category with the strongest prospects on the facts
- 3Produce a tailored document checklist and verify completeness
- 4Translate and legalise foreign documents as required
- 5File the application and follow up until decision
Documents to prepare
- Passport with latest entry stamp and TM.6 where issued
- Proof of address and lawful accommodation notification
- Financial evidence or employment certification
- Civil-status documents such as marriage or birth certificates with certified translation
- Police clearance certificate where required
Points to watch
- Even one day of overstay is recorded and affects future applications.
- Requirements vary between immigration offices; verify before travelling to file.
- Never submit financial or employment documents that misstate the facts — it is an offence and leads to blacklisting.
Typical timeframe
Extensions are usually decided within weeks; permanent residence and naturalisation take years.
Timeframes are indicative and depend on the court calendar and the authority handling the matter in Chiang Mai.
Areas of Chiang Mai we regularly serve
เมืองเชียงใหม่นิมมานเหมินท์สันทรายหางดงสารภีแม่ริมดอยสะเก็ดสันกำแพงแม่แตงฝาง
Laws that govern this matter — Chiang Mai
Summarised for general understanding only. The application of each provision depends on the facts of your case.
Royal Decree on Managing the Work of Foreigners B.E. 2560 (2017)
Governs work permits and permissible occupations for foreigners.
Nationality Act B.E. 2508 (1965), as amended
Sets the criteria for Thai nationality and related permanent-residence considerations.
Example situations and how they are handled — Chiang Mai
These are constructed examples used to explain procedure. They are not client matters, and no outcome is implied or guaranteed.
Illustrative scenario: extension refused over financial evidence
Situation: The applicant meets the amount but not the required seasoning period.
Usual approach: Verify seasoning rules and evidence format before the filing date and allow time for bank letters; document practice varies between immigration offices. (Hypothetical.)
Advice for your specific situation — Chiang Mai
Long-stay foreign residents
- Never overstay even by a day — it affects future applications.
- Keep arrival cards, residence notifications and receipts — they are often requested later.
Employers hiring foreign staff
- Keep the work-permit position aligned with actual duties to reduce inspection risk.
- Prepare company documents in advance — financial statements and tax filings are commonly required.
Every matter — what to do in the first 7 days
- Gather every original document in one place, keep scanned copies, and note the date you received each one.
- Write a dated timeline — the date you received a notice or learned of the event usually starts the limitation or appeal clock.
- Do not sign a settlement, debt acknowledgement or withdrawal before a lawyer reviews it — it may extinguish existing rights.
- Preserve digital evidence unaltered (full screenshots, original files, emails with headers) — edited files are easy to challenge.
Questions people in Chiang Mai ask
Must this be filed in Bangkok, or can it be done in Chiang Mai?
Most matters can be handled locally: Chiang Mai has provincial, municipal, family, regional labour and administrative courts as well as a legal execution office. Exceptions are matters the law assigns to central bodies, such as MFA document legalisation.
Can a foreigner living in Chiang Mai make a will or grant a power of attorney?
Yes. The document must follow the correct Thai statutory form, and if it will also be used abroad, translation and certification should be planned from the outset to avoid redoing it.
Buying land or a house in Chiang Mai — what should I watch for?
Check the title type, legal access, zoning and use restrictions, and any registered encumbrances before paying a deposit — these are hard to fix after signing.
Does a visa alone allow me to work?
No. Working in Thailand requires a valid work permit, which is separate from the visa.
What must be done with foreign documents?
They generally need authentication in the issuing country, translation into Thai or English, and legalisation of the translation at the Department of Consular Affairs.
Does Thailand accept Apostille yet?
Thailand acceded to the Apostille Convention on 30 June 2026, entering into force on 28 February 2027. Until then, consular and embassy legalisation remains the route.
Same service in other provinces
Immigration & Foreign Nationals — BangkokImmigration & Foreign Nationals — PhuketImmigration & Foreign Nationals — ChonburiImmigration & Foreign Nationals — Khon KaenImmigration & Foreign Nationals — Udon ThaniImmigration & Foreign Nationals — SongkhlaImmigration & Foreign Nationals — Surat ThaniImmigration & Foreign Nationals — Chiang RaiImmigration & Foreign Nationals — RayongImmigration & Foreign Nationals — NonthaburiImmigration & Foreign Nationals — nationwide
Other legal services in Chiang Mai
Litigation & Court Representation — Chiang MaiCivil, criminal, labour, family, succession and land disputesCorporate & Commercial — Chiang MaiIncorporation, contracts, foreign business, BOI and complianceIntellectual Property — Chiang MaiTrademarks, copyright, patents and enforcementLand & Real Estate — Chiang MaiTitle due diligence, sale, lease and transfer at the Land OfficeFamily & Succession — Chiang MaiMarriage, divorce, custody, wills and estate administrationMediation, Arbitration & Enforcement — Chiang MaiResolving disputes outside court and making awards effectiveNotarial Services & International Documents — Chiang MaiSignature and document certification, translation, consular and embassy legalisationBOI Promotion & Foreign Business Licensing — Chiang MaiStructuring foreign investment in Thailand correctly from day one.
Discuss your Chiang Mai matter with an attorney
Tell us the facts and we will explain which authority applies, what documents are needed and the realistic timeframe.