Self-Defence Laws in Tasmania: The Test Under Section 46

In Tasmania, section 46 of the Criminal Code Act 1924 sets a single test: a person is justified in using, in the defence of themselves or another person, such force as, in the circumstances as they believed them to be, it is reasonable to use, a narrower single-limb formula than the belief-plus-proportionality tests used in most other Australian states.

The Test Under Section 46

Section 46, in its current form since a 1987 substitution, reads that a person is justified in using, in the defence of themselves or another person, such force as, in the circumstances as they believed them to be, it is reasonable to use. Read closely, this is a single integrated test rather than a clean two-limb structure: it asks what the defendant subjectively believed the circumstances to be, then whether the force used was reasonable given those believed circumstances. There is no separately stated requirement that the defendant believed the force was necessary, unlike the two-part necessity-plus-proportionality formula used in New South Wales, Victoria, Western Australia and South Australia.

The three sections that used to sit around section 46, sections 47 to 49, were repealed by the same 1987 amendment that substituted the current section 46. Their earlier text could not be recovered from the current consolidated reprint, so what they said before 1987 is not confirmed here.

Defending Your Home

Section 40 covers defence of a dwelling house: force believed on reasonable grounds to be necessary to prevent a forcible break and enter with intent to commit a crime, or to eject an unlawful entrant believed to intend a crime. Section 40 carries no cap on the force that can be used. That is a real structural difference from its neighbours: sections 41 through 45, covering other property and movable property, each end with an express condition limiting the defence to force not intended and not likely to cause death or grievous bodily harm. Whether Tasmanian courts have read an implicit death or serious injury ceiling into section 40 despite that textual silence was not checked against case law for this page.

Excessive Force: An Open Question

No Tasmania-specific statutory provision reducing murder to manslaughter for excessive self-defence, comparable to New South Wales' section 421 or Western Australia's section 248(3), was found in the current Criminal Code. Tasmania's murder and manslaughter sections carry no self-defence cross-reference, and the Code's list of alternate verdicts on a murder charge does not name an excessive-self-defence route. Section 52, titled Excessive Force, does the opposite of a partial defence: it removes the justification and leaves a person fully responsible once force exceeds what was authorised.

That said, this finding rests on a single primary source, the current consolidated Code, read section by section. It has not been checked against case law, against commentary from a body such as the Tasmania Law Reform Institute, or against the pre-1987 text of the repealed sections 47 to 49, which is no longer available in the current reprint. Given that the 1987 amending Act was itself titled around self-defence, it is possible, though not confirmed, that an earlier version of these provisions existed and was replaced rather than simply never having existed. Readers should treat this as an open question the primary text could not fully settle, not as a confirmed rule that excessive self-defence has never been available in Tasmania.

Family Violence

No Tasmania-specific self-defence provision comparable to Victoria's family violence direction or Queensland's abusive-relationship partial defence was found. A search of the Code turned up only a standalone family violence offence, a procedural jury direction, and an unrelated evidence provision, none of which modify or expand the section 46 test. This is a documented negative rather than a gap in the search. Family violence protection orders remain a separate, civil track; see AVO laws in Australia and, for the parenting side, family violence and parenting orders in Australia.

Intoxication

Section 17 is the Code's general intoxication provision. It applies the insanity provisions to an intoxication-induced disease of mind, allows intoxication that negates a specific intent to be weighed on the intent question, and states that intoxication short of that does not rebut the presumption that a person intends the natural and probable consequences of their acts. How, or whether, an intoxicated and possibly mistaken belief can found a section 46 defence is not resolved by the bare text of the Code, and no case law was checked for this page.

Retreat

No retreat requirement appears anywhere in section 46 or the surrounding property and dwelling provisions. This is a documented negative from a full-text search of the Code.

Weapons and Self-Defence Items

Carrying an item for self-defence is governed by separate weapons-possession law, not by the Code sections covered here. See self-defence weapons in Australia for the state-by-state picture, firearms licences in Australia for why self-defence is not a genuine reason for a licence, and prohibited weapons in Australia for classification.

After a Self-Defence Incident

What happens after a self-defence incident, including arrest, police interview, and the right to silence and to a lawyer, is covered on Miranda rights in Australia, since those processes vary by state and are not specific to self-defence law. This page describes the legal test only, including where the current primary source leaves genuine open questions; it is not advice about what to do in a specific situation. For the national comparison across all eight jurisdictions, see self-defence laws in Australia.