Reviewed by ThaiLawOnline, a licensed Thai law firm practising in Thailand since 2006. Thai lawyer of record: Wichuda Atthamethakon, LL.M., Thai Bar Licence 3149/2556.

Last updated on août 20, 2026

Deportation from Thailand is not one procedure. It’s four. Most foreigners find that out too late, usually while sitting in a holding cell trying to work out who to call. This guide separates the four tracks. It explains the deportation regulation the Cabinet approved on 14 July 2026. And it sets out the appeal deadlines that actually exist in law. Some of those deadlines are 48 hours. One is 7 days. Miss them and the decision becomes final.

Status check, 19 August 2026. The Prime Minister’s Office Regulation on Deportation was approved in principle by the Cabinet on 14 July 2026. It is still with the Office of the Council of State. It has pas been published in the Royal Gazette, and it is pas encore en vigueur. The B.E. year in its title is still blank. Everything in this guide about the current law applies today. The section on the new regulation describes a draft. We update this page when the Gazette text appears.

Four different things people call “deportation”

Here’s the confusion that costs clients money. English-language commentary treats deportation, removal, blacklisting and refused entry as one topic. Thai law treats them as four separate events, with different decision-makers and different appeal routes.

Get the wrong one and you file the wrong appeal, to the wrong official, after the wrong deadline.

Ce qui se produit	Thai term	Base juridique	Who decides	Appeal route
Refused entry at the airport or border	ไม่อนุญาตให้เข้าเมือง	Immigration Act B.E. 2522, s.12 and s.16	Immigration officer at the port of entry	s.22 appeal to the Minister, within 48 hours. No appeal at all for s.12(1) or s.12(10)
Removal after you’re already inside and your stay is unlawful	ส่งกลับ	Immigration Act B.E. 2522, s.54	Competent official (Bureau de l'immigration)	s.22 route in practice. Detention rules of s.19 and s.20 apply
Déportation proper, on public order or morals grounds	เนรเทศ	Deportation Act B.E. 2499, s.5	The Minister of Interior	Appeal to the Prime Minister, within 7 days (s.8). Removal is stayed until he rules (s.7)
liste noire, the re-entry ban	บัญชีดำ	Consequence of s.12(6), (7), (11) and s.16	Immigration Bureau, administratively	No single statutory route. Petition, or Administrative Court

Two points from that table matter more than anything else on this page.

First, a real deportation order is signed by the Minister of Interior, and the appeal goes to the Prime Minister. Not to the Minister of Interior. Not to Immigration. We see this stated incorrectly on competitor sites and in expat forums constantly. Section 8 of the Deportation Act is explicit, and the window is 7 days.

Second, the blacklist is the part that follows you. A deportation order under section 5 runs for a fixed period and the Minister can revoke it. But section 12(11) of the Immigration Act makes anyone previously deported a prohibited alien. That’s the disability that outlasts everything else.

What the new 2026 deportation regulation actually does

On 14 July 2026 the Cabinet approved, in principle, the Regulations of the Office of the Prime Minister on Deportation (ระเบียบสำนักนายกรัฐมนตรี ว่าด้วยการเนรเทศ). Deputy Prime Minister Pakorn Nilprapunt proposed it, following a Cabinet resolution of 16 June 2026 directing that removal procedures be streamlined.

Read the press coverage and you’d think Thailand had passed a new deportation law. It hasn’t. This is subordinate administrative machinery. It sits on top of two existing statutes: section 5 of the Deportation Act B.E. 2499 ET section 54 of the Immigration Act B.E. 2522. No new power to deport is created. What changes is the plumbing, and the plumbing is where cases are won or lost.

The six grounds for referral

Clause 4 of the draft lists six categories. The trigger condition is that removal is necessary for public peace and morality. A foreign national who:

1. Enters or remains in the Kingdom unlawfully
2. Works unlawfully, in breach of the foreign workers legislation
3. Operates a business unlawfully, in breach of the Foreign Business Act
4. Forges official documents, or uses forged government documents
5. Commits an offence punishable by imprisonment of three years or more
6. Acts as principal, instigator or supporter of any of the above

Ground 3 deserves a hard look if you run a company here. It reaches Foreign Business Act breaches directly. That includes nominee shareholding arrangements, which the DBD has been enforcing aggressively through 2026. Say you’re a foreign director sitting on a structure you’ve been meaning to clean up. The new regulation turns that corporate compliance problem into an immigration problem. Our note on Thai nominee shareholders and the current crackdown covers the underlying exposure.

Ground 5 needs care too. The Thai text says โทษจำคุกตั้งแต่ 3 ปีขึ้นไป, which points to the statutory penalty range of the offence, not the sentence you actually received. Several English outlets have reported it the other way round. That distinction is enormous. Plenty of offences carry a three-year maximum and are routinely disposed of with a fine or a suspended sentence. If the trigger is the penalty range, the net is far wider than the headlines suggest. We’re treating this as unsettled until the Council of State text is published.

The pre-release pipeline

This is the operational core of the draft, and it’s genuinely new:

1. Le Department of Corrections must notify the Permanent Secretary for the Interior of foreign inmates and their details before release.
2. The Permanent Secretary submits the case to the Ministre de l'Intérieur.
3. The Minister issues the deportation order without delay.
4. Removal is to the country of nationality. If nationality can’t be determined, to the last country of residence declared before entering Thailand.
5. Third-country transfers go through diplomatic channels. They require the deportee’s written consent, and the receiving state or organisation must agree to bear all care and transport costs.

Under the old practice, a foreign prisoner finished a sentence and then entered a slow, ad hoc process. Sometimes that meant release. Sometimes it meant months at the Immigration Detention Centre while nobody moved the file. The draft closes that gap by making the deportation decision happen avant the sentence ends.

Here’s what that means in practice. If you’re defending a foreign national in a Thai criminal matter, the immigration consequence is no longer something to deal with later. It’s now part of the sentencing strategy. We’ve said for years that criminal defence for foreigners in Thailand is really two cases running in parallel. The draft makes that literal.

What the draft does not contain

An appeal.

That’s not an oversight on our part. The draft contains no appeal, no review, and no judicial safeguard. Formichella & Sritawat flagged it as “notably absent.” Asylum Access Thailand’s central submission asks the government to confirm that existing statutory appeal rights will still apply, precisely because the draft doesn’t say.

So the appeal architecture stays where it was: section 7 and section 8 of the Deportation Act, and section 22 of the Immigration Act. Whether the drafters intend those to survive a “streamlined” process is an open question. Until it’s answered, assume your only protection is the old law, and act on the old law’s deadlines.

What’s still unconfirmed

Two widely repeated claims about the draft don’t hold up to sourcing, and we won’t print them as fact:

• The “30 days after sentence completion” deadline. This appears across English-language coverage in early August 2026. It appears in no Thai-language Cabinet report we’ve read, and it’s absent from the leading law-firm analysis. Plausible, not confirmed.
• “The Thai state now pays for removals.” Same problem. It also sits awkwardly with section 55 of the Immigration Act. That section is still in force. It puts the cost on the carrier that brought you in, failing which on you. Whether the regulation displaces section 55, or just permits state funding as a backstop, is not established.

The Deportation Act B.E. 2499: the law that signs the order

The Deportation Act is seventy years old and very much alive. It was amended in B.E. 2507 and B.E. 2521, and it’s the parent statute for the 2026 draft. Four sections matter to you.

Section 5: the Minister’s power

The Minister may order the deportation of an alien where it’s necessary in the interest of public order or good morals (ความสงบเรียบร้อยหรือศีลธรรมอันดี). He sets the period. He may also revoke his own order.

Two things follow. The grounds are extremely broad, which is the point of the section. And because the Minister can revoke, a deportation order is not automatically permanent. Revocation is a real remedy, and it’s underused.

Section 5 does not apply to a person who has held Thai nationality by birth. That carve-out mirrors the constitutional position that a Thai national cannot be deported from the Kingdom.

Section 7: fifteen days, and an automatic stay

You’re entitled to a minimum of 15 days’ notice before deportation is carried out. And if you appeal, deportation is suspended until the Prime Minister rules. That stay is automatic. You don’t apply for it.

That single sentence is the most valuable thing in this article. An appeal filed in time stops the plane.

Section 8: seven days, to the Prime Minister

The appeal against a section 5 order goes to the Prime Minister, within 7 days. He may revoke the order, vary it, or substitute a work-placement order.

Be honest about the odds. This is a discretionary political remedy, not a court. But the stay under section 7 is worth having on its own, because it buys the time to run everything else. In our experience, the clients who do badly are the ones who spend the first week arguing with immigration officers. Argue later. File first.

Sections 9 bis to 11: the offences

Escaping detention, assisting an escape and harbouring an escapee are separate crimes carrying up to seven years. Returning to Thailand before the order expires is up to one year in prison, then re-deportation under section 10. There’s no clever workaround here. Don’t try one.

The Immigration Act B.E. 2522: removal, refusal and the 48-hour clock

Section 12 and the eleven prohibited categories

Section 12 lists eleven categories of alien who may not enter. The ones that bite expats are:

• s.12(6): prior imprisonment, with minor and negligent offences excepted
• s.12(7): conduct suggesting you’d be a danger to public safety or national security
• s.12(10): persons prohibited by the Minister under section 16
• s.12(11): persons deported by Thailand or by a foreign government, or whose right of stay has been revoked

Section 12(11) is why deportation and blacklisting are welded together. Once a deportation order exists, you’re a statutorily prohibited alien. Not because someone typed your name into a database, but because the statute says so.

Section 16 is the discretionary catch-all. The Minister may exclude an alien for national welfare, public peace, culture, morality or welfare. Note what section 22 says about that below.

Section 22: the 48-hour appeal, and its two blind spots

Where an officer finds you fall within section 12, he orders you in writing to leave the Kingdom. If you’re not satisfied:

• You appeal to the Minister, filing with the competent official within 48 hours of receiving the order (ภายในสี่สิบแปดชั่วโมง).
• The Minister must decide within 7 days.
• Removal is stayed pending the decision.
• The Minister’s order is final.

Now the two blind spots. There is no appeal under section 12(1) or section 12(10). No valid passport or visa, no appeal. Excluded by the Minister under section 16, no appeal. Those are the cases where the administrative route is closed at the door and the Administrative Court becomes the only option.

Forty-eight hours is brutal. It runs while you’re in a holding area, usually without your phone, often without a translator. If you’re detained at an airport, the single most useful thing you can do is get a lawyer’s number to someone outside. Our guide on what to do when a foreigner is arrested in Thailand sets out the first-hours checklist.

Section 54: removal, and the detention it authorises

Section 54 covers anyone who entered without permission, or whose permission expired or was revoked. The competent official deports them.

The important part is the cross-reference. Section 54 applies sections 19 and 20 mutatis mutandis. That’s where the detention power lives, and it’s why people end up held for long periods without anything that looks like a sentence. We deal with the timings in the next section.

Section 54 also lets the official release you instead, on security, or on security and bond, with reporting conditions. That option exists. Ask for it.

Section 55: who pays

The cost of removal falls first on the owner or master of the conveyance that brought you in. If there’s none, you pay. With permission you can arrange your own departure at your own expense. That’s usually the better outcome. You keep some control over timing and destination.

Section 81 and 82: the penalties

Overstay under section 81 is imprisonment of up to two years, or a fine of up to THB 20,000, or both. The familiar THB 500 per day capped at THB 20,000 is the administrative settlement applied on departure, not the section 81 penalty. They’re different things, and conflating them is how people talk themselves into thinking overstay is a parking ticket.

Section 82 punishes evading an official’s order. Evading a deportation order is up to two years ET a fine of up to THB 20,000.

Detention pending removal: how long can they actually hold you?

There’s a clear statutory structure, and then there’s what happens.

Scène	Maximum	Who authorises
Initial detention	48 heures	Competent official
First extension	7 jours	Competent official, in writing
Further extensions	12 days per application	The Court
Overall cap	Aucun	Non applicable

Read that last row again. There is no statutory ceiling on total detention. The 12-day court authorisations can be renewed. That’s the mechanism by which detention at the Immigration Detention Centre becomes open-ended.

What the IDC is actually like

We’re not going to soften this. The Global Detention Project’s profile of the Bangkok IDC at Suan Phlu records a stated capacity of 1,100 and documents severe overcrowding. Former detainees have described cells shared with 200 to 250 people, with roughly half a square metre each. Assessments in 2023 and 2024 found cells below the 3 m² per detainee minimum standard, with no beds, tables or chairs. Healthcare was reported as deficient, with no doctor on duty in 2024. Nine deaths have been documented at the facility.

For a straightforward overstay where you’re paying your own way out, detention is usually short. Days. The long detentions happen when there’s no travel document, no country willing to accept the person, or an unresolved criminal matter. UN experts noted in 2024 that some detainees had been held for ten years.

Bail from the IDC

Temporary release is available. Based on UNHCR Thailand’s published guidance, the practice is:

• Bail is usually THB 50,000.
• You need a Thai guarantor, or a foreigner with legal residence.
• You must give the address where you’ll live after release.
• You report to the IDC monthly, with your guarantor. Miss it and bail is revoked.

Separately, section 54 itself lets the official release you on security or bond. If you’re dealing with a parallel criminal case, the mechanics differ again, and our guide to bail in Thailand for foreign nationals covers that side.

The blacklist: how long it lasts and how to get off it

Overstay bans: the official schedule

These come from Ministry of Interior Order 1/2558, in force since 20 March 2016. All ban periods run from your date of departure.

Length of overstay	If you surrender voluntarily	If you’re arrested
90 days or less	No ban. Fine only (THB 500/day, max THB 20,000)	Prosecution possible
More than 90 days	1 an	5 years (under 1 year overstay)
More than 1 year	3 ans
More than 3 years	5 ans	10 years (over 1 year overstay)
More than 5 years	10 ans

The gap between the two columns is the entire argument for walking into immigration yourself. A four-year overstay surrendered voluntarily is a five-year ban. The same overstay discovered on arrest is ten. We go through the tactics in detail on our page about Thailand visa overstay, criminal charges and blacklists.

Deportation and criminal conviction bans

There’s no published schedule for these, and you should be sceptical of anyone who gives you a confident number. Practitioners report entries in the immigration system running up to 100 years, which is effectively permanent. That’s a description of what appears in the database, not a statutory period. Serious convictions, particularly narcotics, violence, fraud and anything touching national security, are treated as lifetime exclusions in practice. If your matter involves narcotics specifically, see our page on Thailand drug laws, penalties and defence.

Three routes off the list

There is no single codified de-blacklisting procedure. There are three practical routes, and they’re very different animals.

Itinéraire	Date limite	Decided by	Statut	Realistic use
Appeal to the Prime Minister (Deportation Act s.8)	7 jours	Premier ministre	Statutory	Against a Ministerial deportation order. Triggers an automatic stay under s.7
Appeal to the Minister (Immigration Act s.22)	48 heures	Minister	Statutory. Decision is final	Against a refusal or leave-the-Kingdom order. Not available for s.12(1) or s.12(10)
Revocation of the order (Deportation Act s.5)	No deadline	Ministre de l'Intérieur	Statutory power, discretionary use	Underused. Worth pursuing where circumstances have genuinely changed
Petition for blacklist removal	No deadline. Commonly attempted after about 5 years	Bureau de l'immigration	Practice, not law	Needs evidence of rehabilitation and a compelling reason to return
Administrative Court challenge	Generally 90 days	Administrative Court	Statutory	After administrative remedies are exhausted. Needs procedural error or unlawful application

A note on that fourth row. The “five years and then petition” formula circulates widely on law-firm websites. We could find no published regulation or Immigration Bureau order establishing it. Treat it as observed practice, not as a right you can insist on.

The Administrative Court route is the one most people overlook, and it’s the correct forum. A deportation order and a blacklist entry are administrative acts. That’s also why you won’t find much Supreme Court authority on them. We searched the Dika databases for 2568 and 2569 decisions on เนรเทศ and found nothing on point. If you want the background on how the court tiers fit together, see our explainer on criminal appeals and Supreme Court process in Thailand.

What to do in the first 48 hours

Order matters here. This is the sequence we give clients.

1. Get the order in writing, and photograph it. You cannot appeal what you can’t identify. You need to know whether it’s a section 22 order, a section 54 removal, or a Ministerial deportation order under section 5. The deadline depends entirely on which one it is.
2. Note the exact time you received it. The 48-hour clock under section 22 runs from receipt, not from arrest.
3. Get a message out. A lawyer’s phone number to any person outside the facility is worth more than an argument inside it.
4. Contactez votre ambassade. They can’t stop a deportation. They can confirm your whereabouts, help with a travel document, and create a record that someone is watching.
5. File something in time, even if it’s short. A brief written appeal filed on day one beats a polished one filed on day three. Under section 7 of the Deportation Act, filing is what stops the removal.
6. Do not sign anything you can’t read. Ask for a translation. If a document is put in front of you in Thai only, that’s the moment to slow down.
7. Ask about release on bond. Section 54 permits it. Officials don’t always offer it.

Who’s newly exposed under the 2026 rules

In practice, the risk of deportation from Thailand isn’t spread evenly. The six grounds map onto some populations much more heavily than others.

• Foreign directors and shareholders in nominee structures. Ground 3 reaches Foreign Business Act breaches. This is the group whose risk profile changes most, and most of them don’t know it yet.
• Anyone working without the right permit. Ground 2. That includes remote workers and consultants who’ve convinced themselves that a laptop and a foreign client aren’t “work in Thailand.” See our page on work permit violations, penalties and deportation risk.
• Foreign nationals finishing a prison sentence. The pre-release notification pipeline is aimed squarely at you. The decision now gets made before you walk out.
• Long overstayers. Ground 1. Unchanged in substance, faster in execution.
• Anyone with a document problem. Ground 4 covers forged official documents. In practice this catches people who bought a “service” to solve a visa or licence problem and never asked how it worked.

A Thai spouse or Thai children won’t give you an automatic defence. But it’s material. It matters to a section 5 revocation request, and to a section 8 appeal to the Prime Minister. Family circumstances are exactly what a discretionary remedy exists to weigh. Our overview of spouse and dependent visas covers the status side, and droit de la famille thaïlandais covers the rest.

Foire aux questions

Comment ThaiLawOnline peut vous aider

Deportation from Thailand is time-critical work in a way most legal matters aren’t. The difference between keeping your life in Thailand and losing it is often a document filed on a Tuesday instead of a Thursday.

We act on urgent appeals against removal and deportation orders. We handle applications for release from immigration detention, section 5 revocation requests, blacklist removal petitions and Administrative Court challenges. We also advise on the immigration fallout of a pending criminal matter. Under the 2026 draft, that has to be handled at the start of a case rather than at the end.

If you or someone you know is currently detained, contactez notre équipe. Tell us the date and time the order was served. That’s the first thing we need.

Points clés à retenir

• Deportation, removal, blacklisting and refused entry are four different legal events. Identify which one you’re facing before you do anything else.
• A deportation order under the Deportation Act B.E. 2499 is signed by the Ministre de l'Intérieur. The appeal goes to the Prime Minister within 7 days, and filing it stays the removal automatically.
• An Immigration Act order to leave carries a 48-hour appeal window. There’s no appeal at all under s.12(1) or s.12(10).
• Detention has no overall statutory cap. It runs on renewable 12-day court authorisations.
• Section 12(11) is what makes deportation stick. It converts you into a prohibited alien by operation of statute.
• The 2026 draft regulation creates no new appeal rights. It moves the deportation decision to before your prison release.
• The draft isn’t in force yet. Don’t plan around press reports of a 30-day rule or state-funded removals until the Gazette text lands.
• Surrendering voluntarily on an overstay roughly halves the ban compared with being arrested.