The tripping point in occupiers liability advice is rarely the duty itself. Most practitioners who advise property owners or commercial tenants can articulate the general obligation without difficulty. What catches them is the jurisdictional variation in how that duty has been codified, the residual significance of the common law visitor categories, and whether the analysis that worked for a client in one state translates cleanly to an instruction from another.
It often does not.
The starting point is the definition of "occupier", because it shapes who bears the duty and who can properly be named as a defendant. An occupier is whoever exercises sufficient control over premises to regulate access and use. A commercial tenant is the occupier of leased space; the landlord who owns the building typically is not, absent retained control or a structural hazard originating from the landlord's part of the building. A facilities management company with day-to-day operational authority carries occupier responsibilities even without any ownership interest.
"Premises" reaches broadly: buildings, outdoor areas, loading docks, car parks, stairwells. Any space subject to someone's control falls within the framework, and courts are not restrictive about identifying who exercises it.
At common law, the duty owed varies with the category of visitor. The tripartite division between invitees, licensees, and trespassers generates different standards of care, and understanding it remains necessary even in jurisdictions that have partially displaced it by statute.
An invitee enters with the occupier's invitation for a purpose connected to the occupier's business or interests. The duty is to take reasonable care to prevent damage from unusual dangers the occupier knew about or ought to have known about. A licensee enters with permission but without that business connection; the occupier must warn of concealed dangers actually known, but has no duty to inspect for unknown hazards. A trespasser, at common law, was historically owed only a duty not to act with reckless disregard for their safety.
The distinction between invitee and licensee does real analytical work. Where a client's exposure is being assessed, the characterisation of the entrant is not a preliminary formality. In a case where the hazard was known but not disclosed, the difference between a licensee and an invitee can determine whether the standard was met.
The common law visitor categories have been preserved, modified, or effectively dissolved depending on the jurisdiction. Practitioners advising clients who operate across state lines cannot assume the analysis transfers.
Both New South Wales and Victoria have occupiers liability statutes, and the gap between them matters more than it might appear on a quick read.
In New South Wales, the Occupiers Liability Act 1985 (NSW) s 5A imposes a duty on occupiers to take reasonable care to avoid harm to anyone entering the premises. The effect is to largely collapse the tripartite common law categories into a single standard. Whether someone was technically an invitee or a licensee does less operative work; the circumstances of entry bear on what reasonable care requires, rather than on which category of duty applies.
Victoria has taken a different position. Under the Occupiers Liability Act 1985 (Vic) s 16, the duty is to take such care as is reasonable in all the circumstances to ensure that lawful entrants are reasonably safe. The emphasis on lawful entrants preserves the trespasser's categorically distinct position and leaves the character of the visitor doing real work in the analysis in a way New South Wales has largely moved past.
The difference is not academic. Consider the standard scenario: a plaintiff who entered commercial premises for a purpose loosely connected to the occupier's business. Under NSW's unified standard, the analysis proceeds directly to what reasonable care demanded. Under Victoria's framework, how the plaintiff is characterised as an entrant shapes what the occupier was obliged to provide in the first place. Advice developed from a summary of one framework and applied to an instruction governed by the other carries that error silently until the matter reaches the point where correcting it becomes expensive.
The practical question in most instructions is not whether a duty existed, but whether the occupier took reasonable precautions to discharge it. Courts assess this through something close to the Wyong Shire Council v Shirt (1980) 146 CLR 40 calculus: the probability of harm, its likely gravity, the burden of taking precautions, and the social utility of the occupier's activity. Statutory equivalents in Civil Liability Act 2002 (NSW) s 5B (NSW) and corresponding provisions elsewhere now codify this analysis; it does not make the underlying reasoning obsolete.
Evidence of reasonable precautions typically includes documented inspection regimes, incident reporting systems, staff training records, and hazard identification protocols. The absence of documentation is rarely neutral. Where a defendant cannot demonstrate that a system existed and was operating, the inference that the hazard was not being managed tends to follow, and courts are generally unsympathetic to post-incident reconstructions of what the system must have been.
Both pre-incident advice and post-incident reconstruction depend on the same starting point: which jurisdiction's standard of reasonable care actually governs. Get that wrong because the advice was built from memory or a generic summary, and the reasonableness analysis that follows can be technically coherent while answering the wrong question entirely.
Here is what makes occupiers liability unusually resistant to summary-based research, and why the failure mode is different here than in most other tort law areas.
In negligence generally, the common law principles are broadly uniform across Australian jurisdictions. The statutory variation is real but tends to operate at the margins: contributory negligence apportionment, damages caps, specific duty provisions for particular classes of defendant. A practitioner who recalls the general framework and checks the relevant provisions for their state is usually working with the right architecture.
Occupiers liability does not behave that way. The statute is doing substantially different work in each state, affecting the fundamental structure of the duty itself, not just the defences or the quantum. Whether visitor categorisation is operative or residual, whether the trespasser is dealt with by statute or left to the common law, whether the framework sits alongside or interacts with the Civil Liability Act provisions: these are questions about which analysis to run, not how far it extends. A search that returns "the duty under occupiers liability law" without distinguishing between the NSW and Victorian frameworks may produce a technically accurate description of one jurisdiction's position, presented in a way that makes the other seem identical. The practitioner who acts on that summary has not been misled about the law; they have been misled about which law they are reading.
This is precisely the problem that structured, jurisdiction-specific research catches and summary-based research tends to miss. The Research Assistants function in Habeas lets you pull the applicable occupiers liability framework for each jurisdiction in a single session, with citations that trace directly to the current statute rather than a secondary summary that may not reflect recent amendments or the structural differences between states. When the instruction spans multiple jurisdictions, you are working from the actual text of each framework, not an account of the general principle that quietly papers over the variation.
See how it works at habeas.ai.
The legal research in this article was conducted and every citation verified using Habeas, the Australian legal AI research platform.
Hero image: ALEJANDRO POHLENZ on Unsplash
