Table of Contents
The offence of harbouring or concealing a terrorist3716, this violation corresponds to section 83.23 of the Criminal Code of Canada, a strictly indictable offence. In plain terms, if you knowingly help a person who has carried out, or is likely to carry out, a terrorist activity to avoid detection or to keep planning or committing terrorism, you can be charged. This article explains how the law on terrorist harbour conceal Canada works, what the penalties are, and what limited defences may apply.
The Legal Definition
Criminal Code, RSC 1985, c C-46, s. 83.23:
(1) Every person who knowingly harbours or conceals another person whom they know to be a person who has carried out a terrorist activity, for the purpose of enabling that other person to facilitate or carry out any terrorist activity, is guilty of
(a) an indictable offence and liable to imprisonment for a term of not more than 14 years, if the person who is harboured or concealed carried out a terrorist activity that is a terrorism offence for which that person is liable to imprisonment for life; and
(b) an indictable offence and liable to imprisonment for a term of not more than 10 years, if the person who is harboured or concealed carried out a terrorist activity that is a terrorism offence for which that person is liable to any other punishment.
(2) Every person who knowingly harbours or conceals another person whom they know to be a person who is likely to carry out a terrorist activity, for the purpose of enabling that other person to facilitate or carry out any terrorist activity, is guilty of an indictable offence and liable to imprisonment for a term of not more than 10 years.
In plain English, section 83.23 targets anyone who knowingly hides or shelters a person involved in terrorism. The law recognizes two broad situations:
- Helping someone who has already carried out a terrorist activity, and
- Helping someone who is likely to carry out a terrorist activity in the future.
For both situations, the Crown must prove that the accused acted for the purpose of enabling terrorist activity. It is not enough that a person merely offered a place to stay; the prosecution must show that the reason or purpose behind providing shelter or concealment was to help the other person facilitate or carry out terrorism. This makes intent and knowledge critical elements of the offence. The current wording and penalties can be confirmed directly on the Department of Justice site at the official Criminal Code consolidation: section 83.23, Criminal Code.
Penalties & Sentencing Framework
- Offence classification: Indictable offence only (no summary option).
- Maximum penalty (s. 83.23(1)(a)): Up to 14 years in prison where the harboured person’s terrorism offence is punishable by life imprisonment.
- Maximum penalty (s. 83.23(1)(b)): Up to 10 years in prison where the harboured person’s terrorism offence carries a lesser maximum than life.
- Maximum penalty (s. 83.23(2)): Up to 10 years in prison for harbouring or concealing a person likely to carry out a terrorist activity.
- Mandatory minimum penalty: None.
- UCR Code: 3716 (noting that police reporting has since been refined into related terrorism harbouring sub‑codes).
Because this is a purely indictable terrorism-related offence, it must proceed in the superior court system with the more formal procedures reserved for serious crimes. There is no option to treat it as a summary conviction with lower maximums. A conviction under section 83.23 results in a serious criminal record and can attract lengthy penitentiary terms, especially where the underlying terrorist activity itself is punishable by life imprisonment.
Although there is no mandatory minimum sentence, the maximum penalties—up to 14 years—signal Parliament’s view that assisting terrorists is gravely harmful to public safety and national security. Sentencing judges, guided by general Criminal Code sentencing principles, will emphasize denunciation and deterrence. They will look at factors such as the degree of planning, how long the concealment lasted, whether it contributed to further terrorist planning or acts, and the offender’s level of awareness of the other person’s activities.
Subsection 83.23(1) focuses on situations where a terrorist act has already been committed, and the person being harboured is already a terrorism offender. The potential maximum increases to 14 years where that underlying terrorism offence itself carries a maximum sentence of life imprisonment (for example, certain forms of murder, bombings, or causing death in association with a terrorist group). Where the underlying offence carries a lower maximum, or where the harboured person is only likely to carry out a terrorist activity (subsection (2)), the maximum penalty for harbouring is 10 years. In both cases, even short terms of imprisonment are viewed as highly significant, and non-custodial sentences (such as conditional sentences) are unlikely in practice, given the national security context.
Common Defenses
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Lack of knowledge of terrorist status:
To secure a conviction, the Crown must prove beyond a reasonable doubt that the accused knew the person they harboured had carried out a terrorist activity (subsection 83.23(1)) or was likely to carry out a terrorist activity (subsection 83.23(2)). If the accused genuinely did not know these facts—perhaps they believed they were sheltering a relative fleeing a non-terrorism-related warrant, or they were misled about the person’s past—this can undermine the mens rea (mental element) of the offence. Mere suspicion or association with controversial political or religious activity, without knowledge of terrorism, is not enough for a conviction. -
Absence of intent or purpose to enable terrorism:
The statute specifically requires that the harbouring or concealment be done “for the purpose of enabling” the other person to facilitate or carry out terrorist activity. A person may be aware that someone has a criminal background, yet shelter them for reasons entirely unrelated to terrorism—for example, out of family loyalty, compassion, or fear. If the Crown cannot show that the accused’s purpose was to help the person continue or plan terrorism, the core element of intent is missing. In such cases, the conduct might raise other potential offences (like obstruction of justice in different circumstances), but it would not satisfy the purpose requirement of section 83.23. -
Lack of awareness of the “harbouring” or “concealing” nature of the act:
While not a separate technical defence, it may be argued that the accused’s actions did not amount to harbouring or concealing in the legal sense. For example, merely renting a room to a stranger in the ordinary course of business, without any steps to hide them from authorities or facilitate secrecy, may not qualify as “concealment”. If the accused did nothing to disguise the person’s identity, did not lie to police, did not hide vehicles or documents, and had no reason to believe the person was avoiding detection, this can support an argument that the conduct does not satisfy the actus reus (the prohibited act) of section 83.23. -
Lawful excuse or justification:
While section 83.23 does not set out specific statutory exceptions, Canadian criminal law recognizes that some actions are excused or justified in narrow circumstances. For example, where a person acts under immediate duress (serious threats of harm if they do not comply) or in the course of lawful authority (such as police or intelligence operations carried out in accordance with the law), a “lawful excuse” may be argued under general principles and related provisions like section 8.1 of the Criminal Code. These scenarios are rare and fact-specific, and they require careful legal analysis, but they indicate that the offence is not one of absolute liability: background context still matters. -
Charter-based challenges:
In terrorism contexts, accused persons sometimes raise Canadian Charter of Rights and Freedoms arguments—for example, alleging that evidence was gathered in breach of section 8 (unreasonable search and seizure) or section 7 (life, liberty and security of the person) principles of fundamental justice. While this does not negate the offence itself, successful Charter challenges can lead to exclusion of critical evidence, which can in turn result in an acquittal if the Crown is left without proof of knowledge or intent.
Real-World Example
Imagine a situation where a person in Canada learns that an acquaintance has just taken part in a bombing overseas that has been identified as a terrorist activity. Knowing this, they still invite the acquaintance to stay in their basement, tell them to avoid going outside, hide their passport and electronic devices, and lie to police officers who knock on the door asking whether they have seen this individual. The host’s goal is to keep the acquaintance hidden until they can obtain false travel documents and leave the country.
In this scenario, the host is not simply providing ordinary accommodation; they are actively concealing the person from law enforcement and assisting them in avoiding accountability. If the acquaintance’s bombing offence is punishable by life imprisonment, the host’s conduct falls squarely under section 83.23(1)(a), with a maximum penalty of 14 years. Police and prosecutors would view the deliberate lying, hiding of documents, and instruction to stay out of sight as strong evidence that the host knew about the terrorist activity and acted for the purpose of enabling further terrorist planning or escape. Under UCR code 3716, this would be reported as harbouring or concealing a terrorist, and the case would be prosecuted as a serious indictable offence.
Record Suspensions (Pardons)
A conviction for harbouring or concealing a terrorist under section 83.23 leaves a permanent mark on an individual’s criminal record unless and until a record suspension (formerly called a pardon) is granted. Because this offence is strictly indictable and terrorism-related, it is treated as a serious offence for record-suspension purposes. As a general rule in Canada, individuals convicted of an indictable offence may apply to the Parole Board of Canada for a record suspension only after a prescribed waiting period—typically 10 years from the completion of all aspects of their sentence, including imprisonment, probation, and payment of any fines or surcharges.
Even after the 10-year waiting period, a record suspension is not automatic. The Parole Board examines the nature of the offence, evidence of rehabilitation, and any ongoing public safety concerns. Terrorism-related convictions face especially close scrutiny, and any subsequent criminal conduct can strongly undermine an application. While the law does not impose an absolute bar on record suspensions for this offence in the way it does for some extremely serious crimes, applicants must realistically expect a demanding review process and should obtain detailed legal advice tailored to their circumstances.
Related Violations
- Facilitating Terrorist Activity
- Participating in Terrorist Group Activities

