Key Takeaways

  • Yes. Australia inherited the 1911 UK-Siam treaty, and its Extradition (Thailand) Regulations 1995 govern extradition with Thailand on the Australian side.
  • The 1995 Regulations cover offences missing from the 1911 treaty’s list of crimes, such as drug trafficking and money laundering.
  • Australia won’t extradite a person to Thailand where the death penalty will be imposed, under its 1995 Regulations.
  • Herrera & Partners (H&P) has assisted foreigners in Thai extradition, deportation and Interpol notice proceedings for the last decade.

Thailand extradites to Australia, and Australia extradites to Thailand. The relationship rests on 2 layers: a treaty from 1911 and a set of Australian regulations made in 1995.

Surrender is decided in Thailand for anyone found there. The Criminal Court rules on the legal conditions under Thailand’s Extradition Act B.E. 2551 (2008), and the Thai government makes the final decision once any appeal is over.

Does Thailand Have an Extradition Treaty with Australia?

Thailand and Australia are linked by treaty through succession. The Treaty for the Extradition of Criminals between Great Britain and Siam was signed in Bangkok on 4 March 1911, and Australia inherited it.

Since 1995, Australia has met its obligations under that treaty through domestic law. Its Extradition (Thailand) Regulations 1995 declare Thailand an “extradition country” under the Extradition Act 1988. According to the Attorney-General’s explanatory statement, they create “a modern non-treaty extradition relationship between Australia and Thailand based on reciprocity.”

The same statement says the inherited treaty “will remain valid in the international sphere.” The Bangkok Criminal Court has relied on it: in 2011, it ordered 2 Thai nationals extradited to Australia on the basis of the treaty with the UK, according to The Nation.

On the Thai side, the Extradition Act B.E. 2551 applies to every Australian request. Section 9 also allows extradition on reciprocity where the requesting state undertakes to do the same for Thailand.

InstrumentDateRole
Treaty between Great Britain and Siam for the Extradition of CriminalsSigned 4 March 1911Inherited by Australia; valid in international law
Extradition (Thailand) Regulations 1995 (Australia)Made 29 November 1995; commenced on gazettal, 6 December 1995Declares Thailand an extradition country; non-treaty relationship based on reciprocity
Extradition Act B.E. 2551 (Thailand)2008Governs the Thai court process for every request
Agreement on the Transfer of OffendersSigned in Hanoi, 26 July 2001Lets sentenced prisoners serve their sentence at home
Treaty on Mutual Assistance in Criminal MattersSigned 27 July 2006; in force 18 June 2009Evidence, service of documents, searches and asset tracing

Australia’s Attorney-General’s Department lists 5 broad categories of extradition relationship, from a bilateral treaty to regulation-based arrangements, so countries can cooperate on extradition without a new treaty. Whether a country accepts an Australian request outside a treaty depends on its own domestic law, and Thai courts decide each case under the Extradition Act while the inherited 1911 treaty remains valid internationally.

Which Offences Lead to Extradition from Thailand to Australia?

The 1911 treaty lists 31 crimes, including murder, manslaughter, assault, forgery, embezzlement, rape, kidnapping, burglary and robbery with violence. Australia’s Attorney-General described the inherited treaty as deficient because “it does not apply to modern offences such as drug trafficking or money laundering.”

The 1995 Regulations close that gap on the Australian side. They enable Australia “to extradite to and from Thailand for a large range of offences, including modern offences such as drug trafficking and money laundering.”

Thailand’s own threshold also applies. Under Section 7 of the Extradition Act, the conduct must be a crime in both countries punishable by 1 year of imprisonment or more.

Recent Australian requests include drug cases:

  • Melbourne, 2022. The Royal Thai Police Narcotics Suppression Bureau arrested a 66-year-old Chinese-British dual national in Bangkok on 1 October 2020, under a provisional arrest warrant issued in Thailand. He was extradited to Melbourne on 11 June 2022, charged with conspiracy to traffic a commercial quantity of methamphetamine, according to the Australian Federal Police (AFP).
  • Perth, 2026. A 33-year-old man was arrested by the Royal Thai Police in Bangkok in October 2024 and extradited to Perth on 19 March 2026 on a methylamphetamine supply charge, according to the WA Government.

How an Australian Extradition Request Moves Through Thailand

  1. Provisional arrest. In urgent cases, Australia can apply for provisional arrest before the full file arrives. The request goes to the Attorney General as Central Authority, and a court issues the warrant (Sections 15 and 16).
  2. Deadline for the court filing. Section 16 requires the extradition case to reach the court within 60 days of arrest, or within a period the court fixes of up to 90 days. Otherwise, the person is released.
  3. The request and documents. The request comes with documents and evidence, translated into Thai and certified (Section 8).
  4. Criminal Court hearing. A public prosecutor brings the case (Section 18). The person is detained during the hearing but can petition for provisional release (bail), and the court must ask the prosecutor whether it objects. The court appoints a lawyer if the person has none.
  5. The court’s test. Under Section 19, the court orders detention for surrender only if the person is the one sought, the evidence would justify a trial had the offence been committed in Thailand, and the offence is extraditable and not political or military.
  6. Appeal. The prosecutor or the person can appeal to the Court of Appeal within 30 days of the order. The Court of Appeal’s decision is final (Section 21).
  7. Government decision and surrender. Surrender can’t take place for 30 days after the final detention order (Section 20). The Thai government then considers surrender, which must take place within 90 days unless the court extends the period (Section 22).
  8. Deferred surrender. If the person is being prosecuted or serving a sentence in Thailand for another offence, the government can defer surrender until those proceedings or that sentence end (Section 24).

A person can consent to extradition at any stage. Consent given before the court can’t be revoked (Sections 27 and 28).

“Extradition is not automatic simply because a treaty or reciprocal arrangement exists. Each request must satisfy the applicable legal requirements, including evidentiary thresholds, procedural safeguards and any relevant human rights protections,” explains an experienced extradition lawyer at Herrera & Partners. 

When Thailand Can Refuse an Australian Request

The grounds below apply to each individual request, assessed against its own legal requirements, and the extradition cases above show Australian requests succeeding. Thai law and the 1911 treaty set out the grounds on which surrender is barred or may be refused:

  • The offence is political or purely military (Section 9; Article 5 of the 1911 treaty). Attacks on the King, Queen, Heir Apparent or a head of state don’t count as political.
  • A court has already acquitted the person, or convicted them and the sentence was served, or a pardon, amnesty or lapse of time bars the case (Section 10).
  • The evidence isn’t sufficient to justify a trial had the offence been committed in Thailand (Section 19).
  • The offence isn’t a crime in both countries, or carries less than 1 year of imprisonment (Section 7).
  • There are substantial grounds to believe the person would face torture, cruel or degrading treatment, or enforced disappearance (Section 13 of the Prevention and Suppression of Torture and Enforced Disappearance Act B.E. 2565).

Can Thai Nationals Be Extradited to Australia?

Yes. Article 3 of the 1911 treaty lets either government refuse to surrender its own subjects “at its absolute discretion,” so Thailand isn’t obliged to.

Section 12 of the Extradition Act allows the extradition of a Thai national in 3 situations: where a treaty provides for it, where the person consents, or under reciprocity. If Thailand refuses, Section 25 asks the Central Authority to consider prosecuting the person in Thailand.

Luke Mitchell, a chef, was stabbed to death in Brunswick, Victoria, in 2009. In November 2011, the Bangkok Criminal Court ordered 2 Thai suspects extradited to Australia, noting Australia’s promise of reciprocity and its lack of capital punishment, according to The Nation and The Age.

Both men were found guilty of Mitchell’s murder by the Supreme Court of Victoria in September 2015.

When Thailand Asks Australia: The Death Penalty Bar

Requests from Thailand go through Australia’s Extradition Act 1988, applied by the 1995 Regulations. The Attorney-General’s explanatory statement sets out the safeguards:

  • “persons will not be extradited to Thailand where the death penalty will be imposed.”
  • The Attorney-General has “a wide discretion” to refuse surrender for political offences, for offences attracting cruel or unusual punishment, or on humanitarian grounds.
  • Regulation 4 bars surrender where the person would be tried before a tribunal specially established to try them.

Thailand retains the death penalty for serious crimes, including drug offences, according to Australia’s 2007 treaty analysis. When Thailand asks another state to extradite someone for a capital offence, Section 29 of its Extradition Act lets the government give assurances and replace a death sentence with life imprisonment.

Red Notices Between Thailand and Australia: The al-Araibi Case

A Red Notice can lead to arrest in Thailand even where Australia isn’t the requesting state. Hakeem al-Araibi, a Bahraini footballer with refugee status and permanent residency in Australia, was arrested on arrival in Bangkok on 27 November 2018 on an Interpol Red Notice issued at Bahrain’s request.

Thai prosecutors sought his extradition to Bahrain, and he appeared in court in Bangkok on 4 February 2019. The prosecutors then said they were no longer seeking extradition, and he was released on 11 February 2019 and returned to Australia, according to NPR.

Facing Extradition from Thailand to Australia

Requests for evidence, such as bank records or witness statements, travel on a separate track. The Australia-Thailand Treaty on Mutual Assistance in Criminal Matters, signed on 27 July 2006, has been in force since 18 June 2009.

Deportation is a second route out of Thailand: Thai Immigration can revoke a foreigner’s permission to stay and remove them.

For a review of an Australian request against Thai law and the 1911 treaty, contact Herrera & Partners in Bangkok.

Frequently Asked Questions

Can an Australian citizen be extradited from Thailand to Australia? Yes. Article 3’s discretion only covers each country’s own nationals. An Australian in Thailand can be surrendered once the Criminal Court finds the Section 19 conditions met and the Thai government approves.

How long does extradition from Thailand to Australia take? Each stage has its own deadline, including 30 days to appeal and 90 days to surrender. Two recent drug cases took about 20 months (2020 to 2022) and 17 months (2024 to 2026) from arrest to extradition.

Does Thailand extradite to Australia for drug offences? Yes. Australia’s 1995 Regulations cover drug trafficking, which the 1911 treaty’s list leaves out. The AFP and WA Police reported drug suspects extradited from Thailand in 2022 and 2026.

Will Australia extradite someone to Thailand if they face the death penalty? No. Under Australia’s Extradition (Thailand) Regulations 1995, persons will not be extradited to Thailand where the death penalty will be imposed, according to the Attorney-General’s explanatory statement.

Can an Australian convicted in Thailand serve the sentence in Australia? Possibly. Australia and Thailand signed an agreement on the transfer of offenders in Hanoi on 26 July 2001, implemented in Australia by regulations made in 2002, subject to its conditions.

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