Staying legally in Thailand long-term requires more than arriving on the right visa. You need to understand the reporting obligations that run alongside your stay, the documents required to extend your permission to remain each year, and the rules around re-entry permits that catch even experienced expats off guard.
This guide covers everything you need to know about maintaining your legal status in Thailand in 2026.
90-Day Reporting
What It Is and Who Must File
Every foreign national holding a long-term visa and remaining in Thailand for more than 90 consecutive days is legally required to notify Thai immigration of their current address every 90 days. This obligation is set out in Section 37(5) of the Thai Immigration Act and is enforced strictly.
The requirement applies to holders of all non-immigrant visa types: **Non-O (retirement, marriage, family), Non-B (business and work), Non-ED (education), DTV, and LTR.** Tourists and short-term visitors are exempt.
The Reporting Window & Fines
You may file your 90-day report from **15 days before** your due date to **7 days after** — a 22-day window in total.
Tip: Set a phone calendar reminder for day 75 of each 90-day cycle to ensure you never miss the online window.
How to File
**First report:** Must be made in person at your local immigration office. Bring your passport, TM30 receipt, and the completed TM47 form.
**Subsequent reports:** Can be filed online via the Thai immigration website. The system can be unreliable; always save and print your confirmation receipt. If the online system fails, you must attend in person.
Your 90-day clock resets every time you leave Thailand. The countdown starts again from your re-entry date.
Annual Visa Extensions
Universal Requirements: What Everyone Needs
- Completed TM7 application form
- Original passport (valid for 6+ months)
- One recent passport-sized photograph
- TM30 receipt (Proof of Address)
- Extension fee: 1,900 THB (cash)
Retirement Extension (Non-O / OA)
Requires **800,000 THB** in a Thai bank account (seasoned for 2 months) OR a monthly income of **65,000 THB**.
Marriage Extension (Non-O)
Requires **400,000 THB** in a Thai bank account (seasoned for 2 months) OR a monthly income of **40,000 THB**.
DTV Extension (New for 2026)
DTV holders can apply for one in-country extension of **180 days** at the immigration office. Fee is **10,000 THB**. Ensure your remote work or activity documentation is current.
About the DTVTM30 Compliance
The TM30 receipt is non-negotiable. Your landlord must re-file it **every time you return from international travel**, even if returning to the same address.
CRITICAL
Without a current TM30, most offices will refuse to process extensions or 90-day reports.
Re-Entry Permits
Leaving Thailand without a re-entry permit **voids your extension immediately**. You must obtain one before departing.
- Single Permit: 1,000 THB
- Multiple Permit: 3,800 THB
Making Your Visit Work
Thai immigration offices operate on a queue system that can be exhausted before midday. **Arrive before 08:30** at major offices like Chaeng Wattana or Chiang Mai.
**Dress appropriately:** Thai government offices expect a reasonable standard of dress. Smart casual (covered shoulders and knees) is recommended to ensure service.
**Sign every page:** Most offices require every photocopy to be signed individually, often in blue ink. Bring a blue pen and plenty of copies.
**Use SOLA:** If language is a barrier, SOLA's real-time translation is a discrete way to navigate signage and instructions.
The Extension Checklist.
Confirm TM30 receipt is current (re-filed after travel)
Check 90-day report window (22 days total)
Financial seasoning: 800k THB for 2 months (Retirement)
All photocopies signed in blue ink
Download and complete TM7 in advance
Arrive at immigration before 08:30
Pacific Cross Insurance
Required for renewals. See the verified 2026 Pacific Cross premiums and request a quote.