When your initial 180-day DTV stay is approaching its end, you have two choices: leave Thailand, or apply for the extension that adds another 180 days to your permitted stay. Most people choose the extension. It costs 10,000 THB, takes a morning to process, and buys you another six months without a border crossing. This guide covers exactly how it works, where to go, what to bring, and what happens once you have used it.
How the DTV Duration Actually Works
The 5-year visa vs your permitted stay, the distinction that confuses everyone
This is the most frequently misunderstood aspect of the DTV, and it is worth being precise about before anything else.
Your DTV Visa is valid for five years from the date of issue. This is how long you can use the visa to enter Thailand. It does not mean you can stay in Thailand for five years continuously.
Your permission to stay is determined by your entry stamp. Each time you enter Thailand on your DTV, the immigration officer stamps a “Permitted to Stay Until” date, exactly 180 days from your arrival. That date is the one that governs your legal presence in Thailand. The five-year visa validity and the 180-day permitted stay are two completely separate things.
Reading your entry stamp
When you arrive in Thailand, check the stamp immediately before leaving the immigration desk. It shows two critical pieces of information: your entry date, and your “Permitted to Stay Until” date. The second date is a specific calendar date, not a countdown. If you entered on 1 April 2026, your permitted stay expires around 28 September 2026. That is your 180-day clock.
The 180-Day Extension: Who, When, and Where
You can extend once per entry
For each entry into Thailand on your DTV Visa, you are entitled to apply for one extension of 180 days. This extension is not automatic, you must apply at a Thai Immigration Bureau office in person before your initial 180-day permission expires. If approved, your “Permitted to Stay Until” date moves forward by 180 days from the date of the extension application, giving you a total of 360 days on that single entry.
You cannot apply for a second extension on the same entry. Once the extended period expires, you must depart. But because the DTV is a multiple-entry visa, you can re-enter immediately and begin a fresh 180-day cycle.
Where to apply
Any Thai Immigration Bureau office can process your extension. Use the office nearest to where you are based. The most commonly used offices by DTV holders are:
- Bangkok: Chaeng Watthana Government Complex, the main Bangkok immigration office, largest and busiest
- Chiang Mai: Chiang Mai Immigration Office, Promenada Resort Mall area
- Phuket: Phuket Immigration Office, Phuket Town
- Pattaya: Pattaya Immigration Office, Jomtien area
- Koh Samui: Samui Immigration Office
When to apply
The practical window is 7 to 30 days before your permitted stay expires. You cannot apply more than 30 days in advance at most offices. Do not leave it to the final day, if there is a queue problem or an officer requests an additional document, you need time to resolve it without overstaying.
Step-by-Step: The Extension Process
Documents to bring on the day
- Passport (original, must be valid throughout the full extended period)
- Completed TM.7 form (available at the office; downloadable from the Thai immigration website)
- One passport photo (4x6 cm, white background)
- Copy of your passport bio page
- Copy of your DTV Visa page
- Copy of your current entry stamp
- 10,000 THB in cash (some offices accept card, bring cash as backup)
- Proof of your current accommodation address in Thailand (rental agreement, utility bill, or hotel booking)
- Your activity documentation (employer letter or gym enrollment, bring even if not required)
Arrive early, queue numbers are distributed from opening
Immigration offices open at 8:30 AM. Popular offices like Chaeng Watthana in Bangkok can have significant queues, particularly on Mondays and after public holidays. Arriving at or before opening and being prepared to wait 2–3 hours from the time you take a queue number is realistic.
Complete the TM.7 form at the office
The TM.7 is a single-page form asking for your passport number, your current Thai address, and the type of extension you are requesting. At the counter, tell the officer you are applying for a 180-day extension on a DTV Visa. Forms are available in the waiting area.
Submit your documents at the extension counter
Hand your organised document package to the officer at the counter. They will review, may ask one or two questions, and will process the extension. Most offices take 30–60 minutes once you reach the counter.
Pay the 10,000 THB fee
Payment is made at the cashier desk or directly at the counter, depending on the office. Keep your receipt. Once paid, the officer stamps your passport with the new “Permitted to Stay Until” date.
Verify the new stamp before you leave
Check the new “Permitted to Stay Until” date on the extension stamp before you leave the office. It should be exactly 180 days from the date of the extension application, not from your original entry date. Errors are rare but far easier to correct while you are still at the desk.
After 360 Days: Re-Entering on the Same Visa
Leaving and the multiple-entry mechanism
Once your extended 180 days expires, your permission to stay ends. You must depart Thailand. However, because the DTV is a multiple-entry visa, you can re-enter immediately after leaving, there is no mandatory gap. A brief border crossing at any Thai land crossing, or a flight to a neighbouring country and back, qualifies as a valid exit. On re-entry, the immigration officer grants a fresh 180-day stay and a new clock starts.
Over the five-year validity of your DTV, this cycle can repeat as many times as you need. In theory, with an exit every 360 days, you could spend nearly the entire five-year period in Thailand, stepping out only briefly to reset the entry cycle.
Popular exit points from Bangkok
| Crossing | Destination | Travel time from Bangkok |
|---|---|---|
| Nong Khai (Thai–Lao Friendship Bridge) | Vientiane, Laos | ~10 hours bus or 1 hour flight |
| Aranyaprathet, Poipet | Cambodia | ~3.5 hours bus |
| Ban Laem, Wang Takhian | Myanmar | ~3 hours drive |
| Flight: Bangkok to KL / Singapore | Malaysia / Singapore | 1–2 hours flight |
Any genuine departure from Thailand resets your permitted stay. There is no minimum time spent outside Thailand before re-entry on a DTV Visa.
Overstay: Consequences and What to Do
Overstaying your permitted stay in Thailand is taken seriously by Thai immigration and should be avoided entirely. If your “Permitted to Stay Until” date passes without an extension or departure, you are overstaying from the next calendar day.
If you realise you have accidentally overstayed by a small number of days, go to your nearest immigration office immediately, declare the overstay, pay the fine voluntarily, and either apply for the extension (if you have not used it for this entry) or depart. Acting voluntarily is significantly better than being caught at the departure gate.
Frequently Asked Questions
Yes, technically. Any Thai Immigration Bureau office can process your extension. In practice, use the office nearest to where you are based. Some offices may ask for proof of your local address, which makes applying in a city where you are not actually staying slightly more complicated.
As of April 2026, DTV extensions cannot be completed online. You must attend a Thai Immigration Bureau office in person. This may change as Thailand continues to digitise its immigration processes, but in-person attendance is currently required.
The extension and the 90-day report are tracked independently. Applying for the extension does not automatically reset your 90-day reporting clock. Some officers update the 90-day record at the same time, but do not rely on this. Always check your 90-day reporting due date separately and file if it falls due regardless of extension activity.
Yes. If you leave Thailand before your 180 days expires, the unused remaining days are not carried over. On re-entry, you receive a fresh 180-day permission. Leaving early is not a problem, many DTV holders travel freely, but it does mean starting the clock fresh from zero rather than resuming from where you left off.
Go directly to your nearest immigration office, explain the situation, and pay the 500 THB fine for one day of overstay. The officer will guide you on whether to apply for the extension (if you have not used it) or depart. Acting immediately and voluntarily is the right approach. Do not ignore it and hope it resolves itself at the airport.
Extension Sorted. What is Next?
Make sure you are covered on the other compliance obligations that come with a long stay.
90-Day Reporting Guide Opening a Thai Bank Account Back to the Complete DTV Guide