How International Treaties Become Law in Trinidad and Tobago
Under the law of Trinidad and Tobago, an international treaty, convention, or other instrument of international law has no direct effect in our domestic courts until Parliament incorporates it into national legislation. Trinidad and Tobago is a dualist jurisdiction. The Executive may sign and ratify a treaty, but the treaty becomes enforceable as part of our law only when an Act of Parliament gives it the force of law.
What does it mean that Trinidad and Tobago is a dualist jurisdiction?
A dualist legal system treats international law and domestic law as two separate legal orders. The fact that the State has signed or ratified a treaty internationally does not, on its own, change the rights or duties of any person inside the country. To affect domestic law, the treaty must be transformed into local statute by Parliament.
This is a long-standing inheritance from the English common law tradition. The rule exists to protect the constitutional separation of powers. If treaties became enforceable in T&T courts the moment the Executive signed them, the Cabinet could effectively legislate by signature, bypassing the legislature.
In practice, this means a citizen, resident, or business in Trinidad and Tobago cannot walk into the High Court and sue under a treaty alone. They must point to a domestic Act, regulation, or constitutional provision that gives the treaty content the force of law in our jurisdiction.
Who has the power to make treaties for Trinidad and Tobago?
The treaty-making power is an executive prerogative. Under our Constitution of the Republic of Trinidad and Tobago, Chapter 1:01, the conduct of foreign affairs, including the negotiation, signature, and ratification of treaties, is exercised by the Cabinet through the Minister of Foreign Affairs and, where appropriate, the President as Head of State.
Parliament is not formally involved at the signing or ratification stage. Treaties are not laid before Parliament for approval before the State binds itself internationally. This is identical in structure to the position in the United Kingdom and most other Commonwealth Caribbean jurisdictions.
The consequence is significant. The Executive can place Trinidad and Tobago under binding international obligations without legislative debate. But those same obligations cannot be enforced inside the country against a citizen, a private company, or even the State itself in the local courts unless and until Parliament passes a law to bring the treaty home.
How does Parliament incorporate a treaty into domestic law?
Incorporation can take several forms. The choice of method depends on the subject matter, the wording of the treaty, and the policy of the day.
The most common methods are:
- Annexed schedule. The treaty text is attached as a Schedule to an Act, and a section of the Act states that the treaty has "the force of law" in Trinidad and Tobago. This is the cleanest form of incorporation and the one most often seen with private international law conventions.
- Re-enactment in domestic terms. Parliament does not annex the treaty itself; it instead drafts a new Act whose provisions reproduce the substantive obligations in T&T statutory language.
- Amendment of existing statutes. Parliament amends one or more existing Acts so that domestic law conforms with the treaty obligation, without ever naming the treaty in the statute book.
- Partial incorporation. Only selected articles are given domestic effect; others remain purely international obligations of the State.
The second method is the one used for the Convention on the Rights of the Child (CRC). When Trinidad and Tobago ratified the CRC in 1991, Parliament did not simply attach the Convention as a schedule. Instead, a package of children's legislation was enacted, anchored by the Children Act, Chapter 46:01 and the Children's Authority Act, Chapter 46:10, which translate CRC principles such as the best interests of the child, protection from abuse, and the right to be heard, into directly enforceable domestic provisions administered by the Children's Authority of Trinidad and Tobago.
The CARICOM Single Market and Economy framework was incorporated by a different route. The Revised Treaty of Chaguaramas, signed by Trinidad and Tobago on 5 July 2001 and ratified on 3 July 2003, was given domestic legal effect by the Caribbean Community Act, 2005, enacted by the Parliament of Trinidad and Tobago. That Act gives selected provisions of the Revised Treaty the force of law for purposes such as the free movement of skilled CARICOM nationals, which is further regulated through amendments to the Immigration (Caribbean Community Skilled Nationals) Act administered by the Ministry of Foreign and CARICOM Affairs.
What happens if a treaty is not incorporated?
An unincorporated treaty cannot be sued upon directly in a Trinidad and Tobago court. This is the central rule, and it is the source of significant misunderstanding among the public.
A claimant cannot bring a claim that says, "the State breached Article X of Convention Y and I am entitled to compensation." The court has no jurisdiction to grant a remedy on that footing alone. The treaty is not part of the law that the court is empowered to apply.
That does not mean unincorporated treaties are legally invisible. The Judicial Committee of the Privy Council, the Caribbean Court of Justice, and the Judiciary of Trinidad and Tobago have all recognised three narrower uses for them:
- Interpretive aid. Where a domestic statute is ambiguous, courts presume that Parliament did not intend to legislate inconsistently with the State's international obligations, and they will read the statute, where possible, in conformity with the treaty.
- Constitutional interpretation. Treaties to which T&T is party may inform the meaning of the rights protected under sections 4 and 5 of the Constitution, particularly the right to the protection of the law.
- Legitimate expectation. In limited circumstances, ratification of a treaty by the Executive may give rise to a legitimate expectation that the State will act consistently with it in administrative decision-making.
In Boyce v R [2004] UKPC 32, on appeal from Barbados, the Privy Council reaffirmed the orthodox dualist position: international conventions do not alter domestic law except to the extent that they are incorporated by Parliament. Even where the State had submitted to the Inter-American human rights system, that submission did not, by itself, give condemned men a domestic right to delay execution while their petitions were pending.
The earlier decision of the Privy Council in Lewis v Attorney General of Jamaica [2000] UKPC 35 took a more expansive approach in the death-penalty context, holding that a condemned man had a constitutional right to await the determination of his international petition before being executed. Lewis did not, however, abolish the dualist rule. It used the unincorporated treaty as a vehicle for interpreting the existing domestic constitutional right to the protection of the law.
What the Law Says in Trinidad and Tobago
The controlling principle is that a treaty obligation entered into by the Executive becomes enforceable inside Trinidad and Tobago only when Parliament passes legislation giving it domestic effect. This was applied directly in 2023, when the High Court ruled that obligations under the 1951 Refugee Convention and the principle of non-refoulement do not bind the courts of Trinidad and Tobago, because Parliament has not incorporated the Convention into domestic law. Refugees and asylum-seekers in T&T therefore remain governed by the Immigration Act, Chapter 18:01, administered by the Immigration Division of the Ministry of National Security.
The table below sets out the position for several major treaties to which Trinidad and Tobago is bound at international law:
| Treaty / Convention | Year Ratified by T&T | Incorporating Act in T&T | Domestic Status |
|---|---|---|---|
| UN Convention on the Rights of the Child | 1991 | Children Act, Chapter 46:01; Children's Authority Act, Chapter 46:10 | Substantively incorporated through a legislative package; principles directly enforceable |
| Revised Treaty of Chaguaramas (CARICOM / CSME) | 2003 | Caribbean Community Act, 2005 | Selected provisions given the force of law; CSME free-movement obligations partially implemented |
| Agreement Establishing the Caribbean Court of Justice | 2005 | Caribbean Court of Justice Act | Incorporated for original jurisdiction only; Privy Council remains the final court of appeal |
| Hague Convention on the Civil Aspects of International Child Abduction | 2000 | International Child Abduction Act, Chapter 12:08 | Convention text annexed as a Schedule and given the force of law |
| 1951 Convention Relating to the Status of Refugees and 1967 Protocol | 2000 | Not incorporated | No domestic effect; refugees and asylum-seekers governed by the Immigration Act, Chapter 18:01 |
| International Covenant on Civil and Political Rights (ICCPR) | 1978 | Not incorporated | No direct enforceability; usable only as an interpretive aid |
| Inter-American Convention on Forced Disappearance of Persons | Not ratified | Not incorporated | No domestic legal effect |
The position on the Caribbean Court of Justice deserves particular emphasis. Trinidad and Tobago has accepted the original jurisdiction of the CCJ for the interpretation and application of the Revised Treaty of Chaguaramas. It has not, however, replaced the Judicial Committee of the Privy Council with the appellate jurisdiction of the CCJ. This dual position was reflected most recently in the CCJ's April 2026 ruling in a citizen's claim concerning treaty obligations, which underlined that even original-jurisdiction CCJ rulings translate into domestic effect only through the conduit of incorporated legislation.
How does this rule actually affect cases in T&T courts?
In more than 35 years of practice in the courts of Trinidad and Tobago, this is one of the most frequently misunderstood doctrines we encounter. Litigants, and sometimes even press commentary, assume that because the State has "signed" a treaty, the treaty gives them rights that can be enforced in the High Court. That is not the law.
A practical illustration. A migrant worker arrives in Trinidad seeking refugee protection on the basis of well-founded fear of persecution. They invoke Article 33 of the 1951 Refugee Convention. In an unincorporated state, that argument cannot succeed standing alone. The court must apply the Immigration Act. The convention informs the State's policy, and may guide the exercise of ministerial discretion, but it does not override the statute.
A second illustration. A claimant alleges that the State has breached its rights under the ICCPR. The court will not award a remedy under the ICCPR. The claimant must instead reframe the claim under the relevant section of the Constitution, and use the ICCPR, if at all, only as an aid to interpreting the constitutional right.
A third illustration is the CRC. Because Parliament chose to incorporate CRC principles by re-enactment rather than by annexed schedule, a child's "right" in T&T is not strictly the right in the Convention; it is the right as Parliament has formulated it in the Children Act, the Children's Authority Act, the Adoption of Children Act, the Family Law (Guardianship of Minors, Domicile and Maintenance) Act, and related legislation. Where Parliament left a gap, the gap remains, even if the CRC would otherwise fill it.
Frequently Asked Questions
Does Trinidad and Tobago have to obey treaties it has signed?
Yes, at international law. Once T&T has ratified a treaty, it is bound to other States Parties and may incur international responsibility for breach. But that obligation is owed at the international level. It does not, by itself, create rights enforceable by individuals in the domestic courts of Trinidad and Tobago.
Can I sue the Government of Trinidad and Tobago for breaching a treaty?
Not directly, unless the treaty has been incorporated. You may, however, be able to bring a claim under the Constitution, under a statute that incorporates the treaty, or for breach of a legitimate expectation in administrative law. An attorney will assess whether a domestic legal route exists for the harm complained of.
Does ratification by Parliament make a treaty part of T&T law?
Parliament does not "ratify" treaties in our system. Ratification is an executive act. What Parliament does is incorporate the treaty by passing primary legislation. Until that legislation is in force, the treaty remains outside our domestic law, no matter how many years ago it was ratified.
Is the Convention on the Rights of the Child enforceable in Trinidad and Tobago courts?
The CRC itself is not enforceable as a free-standing instrument. However, the substantive principles of the CRC have been translated into domestic law through the Children Act, Chapter 46:01 and related legislation, and those domestic provisions are enforceable in the courts and administered by the Children's Authority.
Why are refugees in Trinidad and Tobago not protected by the Refugee Convention?
Because Parliament has not enacted legislation incorporating the 1951 Refugee Convention or the 1967 Protocol into domestic law. The 2023 High Court ruling confirmed this: refugees and asylum-seekers in T&T are governed by the Immigration Act, and may be deported under it, notwithstanding the State's international obligations. Reform would require an Act of Parliament.
Has Trinidad and Tobago accepted the Caribbean Court of Justice as its final appellate court?
No. T&T has accepted the CCJ in its original jurisdiction, which deals with disputes about the interpretation and application of the Revised Treaty of Chaguaramas. Final appeals in civil and criminal matters still go to the Judicial Committee of the Privy Council in London. Switching to the CCJ as the final court of appeal would require constitutional amendment.
Can a court in T&T look at an unincorporated treaty at all?
Yes, but only as an interpretive aid. Where a domestic statute is ambiguous, the court will presume Parliament intended to legislate consistently with the State's international obligations. The court may also use the treaty to inform the content of constitutional rights. What it cannot do is enforce the treaty as if it were domestic law.
How can I tell whether a particular treaty has been incorporated?
Check the Laws of Trinidad and Tobago for an Act that names the treaty or reproduces its substance. The treaty may be annexed as a Schedule, or its provisions may be re-enacted in domestic terms. If you cannot find such an Act, the treaty is most likely unincorporated, and a legal opinion is the safest course before relying on it.
Written by Martin George, Attorney-at-Law. Martin George is the founder and principal attorney of Martin George & Company, with more than 35 years of active legal practice in the courts of Trinidad and Tobago. He is a former Commissioner on the Law Reform Commission of Trinidad and Tobago and a member of the Prime Minister's Constitutional Committee for Internal Self-Government for Tobago. This article is published for general information and public legal education. It does not constitute legal advice. For advice on your specific situation, contact Martin George & Company.
Last reviewed: April 2026