{"id":"C1959A00094","name":"Commonwealth Motor Vehicles (Liability) Act 1959","slug":"commonwealth-motor-vehicles-liability-act-1959","collection":"act","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":"94 of 1959","makingDate":null,"administeringDepartment":null,"currentVersion":{"id":28759,"registerId":"commonwealth-C1959A00094-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Short title","content":"#### 1 Short title\n\n  This Act may be cited as the Commonwealth Motor Vehicles (Liability) Act 1959.","sortOrder":0},{"sectionNumber":"2","sectionType":"section","heading":"Commencement","content":"#### 2 Commencement\n\n  This Act shall come into operation on the day on which it receives the Royal Assent.","sortOrder":1},{"sectionNumber":"3","sectionType":"section","heading":"Interpretation","content":"#### 3 Interpretation\n\n  (1) In this Act, unless the contrary intention appears:\n\n> Commonwealth authority means:\n\n    (a) a body corporate incorporated for a public purpose by a law of the Commonwealth or of a Territory other than the Australian Capital Territory or the Northern Territory; or\n    (b) a body corporate that is declared by the regulations to be a Commonwealth authority for the purposes of this Act;\n  but does not include the Australian Capital Territory or the Northern Territory or an incorporated company or association.\n\n> driver, in relation to a motor vehicle, includes a person in charge of the motor vehicle.\n\n> lease, in relation to a motor vehicle, means any agreement or arrangement under which the vehicle (whether for any or no consideration) is made available exclusively to a person for the person’s use.\n\n> motor vehicle means a motor car, motor carriage, motor cycle, motor omnibus, motor tractor or other vehicle propelled wholly or partly by volatile spirit or by steam, gas, oil or electricity or by any means other than human or animal power, and includes a trailer and a semi‑trailer but does not include a vehicle used on a railway or tramway.\n\n> third‑party policy means a policy of insurance effected for the purposes of, and in accordance with the requirements of, a law of a State or Territory relating to the compulsory insurance of owners and drivers of motor cars or motor vehicles, as defined by that law, against liability in respect of the death of, or bodily injury to, persons.\n\n> uninsured motor vehicle means a motor vehicle in respect of which a third‑party policy is not in force.\n\n  (2) This Act does not apply in relation to proceedings arising out of an occurrence that took place outside Australia and the Territories.","sortOrder":2},{"sectionNumber":"4","sectionType":"section","heading":"Extension of Act to Territories","content":"#### 4 Extension of Act to Territories\n\n  This Act extends to all the Territories.","sortOrder":3},{"sectionNumber":"5","sectionType":"section","heading":"Conclusive presumption of agency in respect of driving of Commonwealth vehicles","content":"#### 5 Conclusive presumption of agency in respect of driving of Commonwealth vehicles\n\n  (1) In proceedings in which:\n    (a) a claim is made against the Commonwealth or a Commonwealth authority for damages in respect of the death of, or personal injury to, a person caused by, or arising out of the use of, an uninsured motor vehicle owned by, or leased to, the Commonwealth or the Commonwealth authority; or\n    (b) a claim is made by or against the Commonwealth or a Commonwealth authority for contribution in relation to liability of the Commonwealth or the Commonwealth authority for such damages;\n  the driver of the vehicle shall, for the purposes of that claim, be conclusively presumed to have been at all relevant times, with respect to the driving of the vehicle, the agent of the Commonwealth or the Commonwealth authority, as the case may be, acting within the scope of his or her authority.\n  (1A) Subsection (1) does not apply if, at all relevant times:\n    (a) the vehicle was registered; or\n    (b) a motor vehicle licence was in force in respect of the vehicle;\n  under a law of a State or Territory.\n  (2) Nothing in this section shall be taken to imply ratification by the Commonwealth or the Commonwealth authority of the acts of the driver of a vehicle.\n  (3) This section extends to proceedings arising out of an occurrence that took place before the commencement of this Act but after the eighth day of September, One thousand nine hundred and fifty‑eight, whether the proceedings were instituted before, or are instituted after, the commencement of this Act.","sortOrder":4},{"sectionNumber":"6","sectionType":"section","heading":"Manner of trial of proceedings against the Commonwealth etc. in respect of uninsured vehicles","content":"#### 6 Manner of trial of proceedings against the Commonwealth etc. in respect of uninsured vehicles\n\n  Where, in proceedings in a Court of a State or Territory, a claim is made against the Commonwealth or a Commonwealth authority for damages in respect of the death of, or personal injury to, a person caused by, or arising out of the use of, an uninsured motor vehicle, the question whether the claim shall be tried with or without a jury is to be determined in accordance with the law that would be applicable, in proceedings in that Court, in the case of a like claim against the owner of a vehicle in respect of which there was in force a third‑party policy effected for the purposes of, and in accordance with the requirements of, the law of that State or Territory.","sortOrder":5},{"sectionNumber":"7","sectionType":"section","heading":"Regulations","content":"#### 7 Regulations\n\n  The Governor‑General may make regulations declaring a body corporate, being a body corporate incorporated for a public purpose by a law of the Northern Territory, to be a Commonwealth authority for the purposes of this Act.","sortOrder":6}],"analysis":{"issue_detection":{"absurdities":[],"contradictions":[]},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"The legislation remains tightly focused on its original purpose: establishing vicarious liability for the Commonwealth regarding uninsured vehicles. The 1959 Act has not expanded beyond this specific remedial purpose, though subsequent amendments (not shown here) may have updated machinery provisions."},"complexity_factors":["Only 6 substantive sections with clear sequential structure","6 defined terms in the interpretation section, all with straightforward definitions","Single nested exception in section 5(1A) creating a conditional carve-out from the main rule","Limited cross-referencing — primarily internal references to defined terms","No delegated legislation framework beyond a single regulation-making power for Northern Territory bodies","Retroactive application limited to a specific historical window (8 September 1958 onwards)","Narrow scope — applies only to uninsured Commonwealth vehicles causing death or personal injury"],"plain_english_summary":"**What this law does:**\n\nThis law makes the Australian Government (the Commonwealth) and its agencies automatically responsible when someone is killed or injured by an uninsured Commonwealth vehicle — even if the driver was acting without permission or doing something illegal.\n\n**Key points:**\n\n* **The \"conclusive presumption\" rule (Section 5):** Normally, if a government employee crashes a government car while off-duty or misusing it, the government might argue \"that person wasn't our agent then, so don't sue us.\" This law says: *no, the driver is ALWAYS treated as the government's agent when driving a Commonwealth vehicle* — but only if that vehicle doesn't have compulsory third-party insurance (the standard injury insurance all cars must have).\n\n* **When it applies:**\n  * The vehicle must be owned or leased by the Commonwealth or a \"Commonwealth authority\" (government bodies like CSIRO, Defence, etc.)\n  * The vehicle must be **uninsured** (no third-party injury policy)\n  * Someone must have died or been physically injured\n\n* **Important exception:** If the vehicle was properly registered or licensed under State/Territory law, this special rule doesn't apply — normal legal principles apply instead.\n\n* **Jury trials (Section 6):** If you sue the government over an uninsured vehicle crash, the question of whether you get a jury trial follows the same rules as if you were suing a private insured motorist in that State or Territory.\n\n* **Retroactive effect:** This law even applies to crashes that happened between 8 September 1958 and when the Act started, regardless of when the court case began.\n\n**Why it matters:**\n\nBefore this law, injured people could be left with no one to sue if a Commonwealth driver crashed an uninsured government car while \"off the books.\" This ensures victims can always recover damages from the \"deep pocket\" of the Commonwealth, while encouraging government agencies to properly insure their vehicles (since the harsh rule doesn't apply to insured vehicles)."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Act itself defines its scope (Australia and the Territories), sets a limited retrospective application (s 5(3)), and specifies which bodies count as Commonwealth authorities (s 3) with regulatory power for certain Territory corporations (s 7). Nothing in the instrument indicates a change from an earlier scope; the text sets the operative scope directly."},"complexity_factors":["Conclusive presumption that a driver is the Commonwealth's agent for liability (s 5(1)) — legally strong rule but narrow in subject-matter.","Exception where vehicle registration or a motor vehicle licence is in force under State/Territory law (s 5(1A)) — creates cross‑jurisdictional interaction with state/territory registration and insurance regimes.","Retrospective reach for occurrences after 8 Sep 1958 (s 5(3)) — adds temporal scope considerations for older claims.","Definition reliance on State/Territory 'third‑party policy' concepts and the term 'uninsured motor vehicle' (s 3) — imports varying local insurance definitions.","Procedure rule defers to State/Territory law on jury trials for like claims (s 6) — requires courts to map Commonwealth cases to analogous state practice.","Regulatory discretion to declare Northern Territory bodies as Commonwealth authorities (s 7) and the statutory carve‑outs for ACT/NT in the definition of Commonwealth authority (s 3) — creates executive decision points affecting scope and exposure.","Geographic limitation excluding occurrences outside Australia and the Territories (s 3(2)) and explicit extension to all Territories (s 4) — clarifies but constrains applicability."],"plain_english_summary":"**Commonwealth Motor Vehicles (Liability) Act 1959** treats drivers of Commonwealth-owned or -leased uninsured motor vehicles as conclusively presumed agents of the Commonwealth for death or personal injury claims, making the Commonwealth or declared Commonwealth authorities directly liable. It also sets the trial‑procedure rule for such claims and allows regulations to declare certain Territory bodies Commonwealth authorities.\n\nClaimants, drivers and Commonwealth agencies are affected because the rule shifts legal and financial responsibility and creates an incentive to register or insure vehicles to avoid the presumption."},"summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The Act remains focused on its original narrow purpose: ensuring victims injured by uninsured/unregistered Commonwealth vehicles can obtain compensation by treating the driver as an agent of the Commonwealth. No scope creep is evident. The regulations power is similarly confined to declaring certain Territory bodies as Commonwealth authorities, which is a modest and contained extension consistent with the original intent."},"complexity_factors":["The 'conclusive presumption of agency' concept requires understanding of agency law — a legal doctrine not widely understood by laypeople","The interaction between Commonwealth law and State/Territory compulsory third-party insurance regimes adds a layer of cross-jurisdictional complexity","The exception in subsection 1A (registered/licenced vehicles) requires careful reading to understand when the Act does and does not apply","The definition of 'Commonwealth authority' involves inclusions and exclusions that require careful parsing","Retrospective application (section 5(3)) back to September 1958 adds a historical dimension that requires context to understand","The Act is short but densely cross-referential, relying heavily on definitions from other State and Territory laws (e.g. 'third-party policy' defined by reference to State law)"],"plain_english_summary":"This Act ensures that when an unregistered or uninsured Commonwealth vehicle in Australia causes injury or death, the driver is conclusively presumed to have been acting as an agent of the Commonwealth, making the Commonwealth itself liable for compensation. It protects victims who otherwise couldn’t recover from missing CTP insurance, applies to Commonwealth bodies (and certain declared Territory entities), preserves jury-trial parity, and does not cover State/territory governments, private companies, or overseas accidents."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/commonwealth-motor-vehicles-liability-act-1959","history":"/api/acts/commonwealth-motor-vehicles-liability-act-1959/history","analysis":"/api/acts/commonwealth-motor-vehicles-liability-act-1959/analysis","conflicts":"/api/acts/commonwealth-motor-vehicles-liability-act-1959/conflicts","importantCases":"/api/acts/commonwealth-motor-vehicles-liability-act-1959/important-cases","documents":"/api/acts/commonwealth-motor-vehicles-liability-act-1959/documents"}}