Statute Details
- Title: Terrorism (Suppression of Misuse of Radioactive Material) Act 2017
- Full Title: An Act to give effect to the International Convention for the Suppression of Acts of Nuclear Terrorism and to provide for connected matters
- Act Code: TSMRMA2017
- Type: Act of Parliament
- Status: Current version as at 27 Mar 2026
- Key Instrument Implemented: International Convention for the Suppression of Acts of Nuclear Terrorism (New York, 13 April 2005)
- Key Sections (from extract): ss. 1–14 (Short title; Interpretation; Application; ss. 4–10 offences; s. 11 extraterritoriality; ss. 12–13 mutual assistance and extradition; s. 14 consent requirement)
- Related Legislation: Criminal Matters Act 2000; Extradition Act 1968
- Legislative History (high level): Enacted 1 Sep 2017 (Act 27 of 2017); revised edition 31 Dec 2021 (2020 RevEd); amended by Act 17 of 2022; current version as at 27 Mar 2026
What Is This Legislation About?
The Terrorism (Suppression of Misuse of Radioactive Material) Act 2017 (“TSMRMA”) is Singapore’s domestic law designed to implement the International Convention for the Suppression of Acts of Nuclear Terrorism (the “Convention”). In plain terms, it criminalises a range of conduct involving radioactive material, “Convention devices”, and nuclear facilities when the conduct is carried out intentionally and without lawful authority, and when the offender’s purpose is aligned with terrorist objectives.
The Act focuses on acts that could cause catastrophic harm—death, serious bodily injury, substantial damage to property, or damage to the environment—whether through direct use of radioactive material, through the making or possession of devices capable of dispersing radioactive material, or through attacks on nuclear facilities that create a risk of release of radioactive material. It also covers threats and demands, and it extends to attempts and certain preparatory conduct.
TSMRMA sits alongside Singapore’s general criminal law framework. It creates specific offences for nuclear-terrorism-related conduct, provides for extraterritorial reach, and links to Singapore’s existing mechanisms for mutual assistance and extradition. It also includes a procedural safeguard: no prosecution without the Public Prosecutor’s consent.
What Are the Key Provisions?
1. Definitions and scope of “Convention devices” and “radioactive material” (s. 2)
The Act contains detailed definitions to ensure that the offences capture the relevant materials and devices. “Radioactive material” includes “nuclear material” and “any other radioactive substance”. “Radioactive substance” is defined by both its radiological characteristics (spontaneous disintegration with emission of ionising radiation) and its potential consequences (death/serious bodily injury or substantial damage to property/environment).
Crucially, the Act defines a “Convention device” broadly. It includes (a) an explosive or incendiary device that releases or disseminates radioactive material or emits radiation; and (b) a device that releases or disseminates radioactive material or emits radiation and, due to its radiological properties, may cause death/serious bodily injury or substantial damage to property/environment. This breadth is important for practitioners because it reduces the scope for arguing that the device is not covered merely because it is not a “traditional” nuclear weapon.
2. Application and exclusions (s. 3)
Section 3 provides that the Act does not apply to certain activities governed by international humanitarian law or other rules of international law. Specifically, it excludes:
- activities of armed forces during an armed conflict, as understood under international humanitarian law; and
- activities undertaken by military forces of a State in the exercise of official duties, to the extent governed by other rules of international law.
This is a targeted carve-out. For counsel, it means that the factual characterisation of the conduct—whether it is part of armed conflict operations or official military duties—may be central to whether TSMRMA is engaged.
3. Core offences: possession, making, and use (ss. 4–6)
The Act creates offences with a consistent structure: intentional conduct, without lawful authority, plus a specific terrorist intent (the intended outcome or coercive purpose).
- Possessing radioactive material or a Convention device (s. 4): It is an offence to intentionally and without lawful authority possess radioactive material or a Convention device with the intention that it be used to cause death/serious bodily injury or substantial damage to property/environment.
- Making a Convention device (s. 5): It is an offence to intentionally and without lawful authority make a Convention device with the same intended outcomes.
- Using radioactive material or a Convention device (s. 6): It is an offence to intentionally and without lawful authority use radioactive material or a Convention device with intent to cause death/serious bodily injury, substantial damage to property/environment, or to compel any other person, international organisation, or government to do or refrain from doing any act.
From a prosecution perspective, the “intent” element is pivotal. The Act does not criminalise mere possession or manufacture in the abstract; it criminalises those acts when coupled with the specific intention that the material/device be used for terrorist-type consequences or coercion.
4. Attacking nuclear facilities (s. 7)
Section 7 addresses conduct involving nuclear facilities. A “nuclear facility” includes nuclear reactors and plants or conveyances used for production, storage, processing or transport of radioactive material. The offence is triggered where a person intentionally and without lawful authority uses or damages a nuclear facility in a manner that causes, or creates a risk of, the release of radioactive material, and where the person intends the use/damage to cause death/serious bodily injury, substantial damage to property/environment, or to compel a person/organisation/government to act or refrain.
Notably, the offence includes a “risk of release” threshold rather than requiring actual release. This is consistent with the Convention’s approach and is significant for practitioners: evidentially, the prosecution may focus on the nature of the act, its effect on safety systems or containment, and expert evidence about likelihood of release.
Penalties: The extract indicates that where death is caused and the offender intended death, punishment aligns with the same punishment as an act under section 300(a) of the Penal Code 1871; otherwise, the penalty is imprisonment for life. While the remainder of s. 7 is truncated in the extract provided, the pattern suggests a structured penalty regime tied to intended outcomes and actual results.
5. Threats, demands, and attempts (ss. 8–10)
The Act also criminalises conduct that is preparatory or coercive in nature:
- Threatening (s. 8): It criminalises threatening to do an act that would be an offence under s. 6 or s. 7.
- Demands (s. 9): It criminalises demands relating to radioactive material, a Convention device, or a nuclear facility.
- Attempting (s. 10): It criminalises attempts to commit offences under ss. 4, 5, 6 or 7.
For legal practitioners, these provisions are often where evidential disputes arise: what constitutes a “threat” or “demand”, whether the communication is sufficiently connected to the relevant materials/facilities, and whether the accused had the requisite intent. The Act’s design is to capture coercive behaviour even before any physical harm occurs.
6. Extraterritoriality and cooperation mechanisms (ss. 11–13)
Section 11 provides for extraterritoriality—meaning the Act can apply to certain offences committed outside Singapore, subject to the Act’s jurisdictional triggers (the extract does not show the detailed text). This is a key feature for terrorism-related offences, because nuclear-terrorism conduct may involve cross-border actors, procurement, or communications.
Section 12 provides for assistance under the Mutual Assistance in Criminal Matters Act 2000. Section 13 provides for extradition. Together, these sections ensure that Singapore can investigate, share evidence, and surrender suspects in line with international obligations and domestic frameworks.
7. Procedural safeguard: Public Prosecutor’s consent (s. 14)
Section 14 states that there is no prosecution without the Public Prosecutor’s consent. This is an important practitioner point. It means that even where the elements of an offence are met, prosecutorial discretion and consent are required before charges can be brought. In practice, this can affect case strategy, timing, and the framing of charges, particularly in complex terrorism investigations involving sensitive intelligence or international cooperation.
How Is This Legislation Structured?
TSMRMA is structured as a relatively compact statute with a clear progression:
(1) Preliminary provisions: s. 1 (short title), s. 2 (interpretation/definitions), and s. 3 (application and exclusions).
(2) Substantive offences: ss. 4–10 cover possession, making, use, attacks on nuclear facilities, threats, demands, and attempts.
(3) Jurisdiction and procedural/international cooperation: s. 11 (extraterritoriality), s. 12 (mutual assistance), s. 13 (extradition), and s. 14 (public prosecutor consent).
For practitioners, this structure is useful for quickly mapping facts to the correct offence category and for identifying whether jurisdictional or procedural hurdles may arise.
Who Does This Legislation Apply To?
TSMRMA applies to “a person” committing the specified intentional, unauthorised acts with the relevant terrorist intent. The offences are not limited to particular roles such as scientists, operators, or security personnel; they can apply to any individual who possesses, makes, uses, threatens, demands, or attempts the relevant conduct.
However, the Act’s applicability is shaped by two key limitations: (i) the carve-outs in s. 3 for armed conflict and official military activities governed by international humanitarian law or other rules of international law; and (ii) the jurisdictional reach under s. 11 (extraterritoriality), which may extend the Act beyond Singapore depending on the circumstances described in the full text of that section.
Why Is This Legislation Important?
TSMRMA is significant because it criminalises nuclear-terrorism conduct in a way that is tailored to the Convention’s requirements, while integrating with Singapore’s existing criminal justice infrastructure. The Act’s breadth—especially the definitions of “Convention device” and the inclusion of “risk of release”—reflects the high stakes of radiological harm and the need to intervene early.
From an enforcement perspective, the inclusion of offences for possession, making, threats, demands, and attempts enables authorities to act before any release occurs. This is particularly important for radiological materials, where detection, attribution, and mitigation may be complex and time-sensitive.
For defence counsel and prosecutors alike, the Act’s most important legal battlegrounds will typically be: (a) whether the material/device qualifies under the statutory definitions; (b) whether the accused acted “intentionally and without lawful authority”; and (c) whether the prosecution can prove the specific terrorist intent (including coercive intent). The Public Prosecutor’s consent requirement also means that charging decisions are subject to an additional layer of scrutiny.
Related Legislation
- Criminal Matters Act 2000
- Extradition Act 1968
Source Documents
This article provides an overview of the Terrorism (Suppression of Misuse of Radioactive Material) Act 2017 for legal research and educational purposes. It does not constitute legal advice. Readers should consult the official text for authoritative provisions.