{"id":"C2004A03148","name":"Petermann Aboriginal Land Trust (Boundaries) Act 1985","slug":"petermann-aboriginal-land-trust-boundaries-act-1985","collection":"act","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":"109 of 1985","makingDate":null,"administeringDepartment":null,"currentVersion":{"id":7172,"registerId":"commonwealth-C2004A03148-current","compilationNumber":null,"startDate":"2026-03-30","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Petermann Aboriginal Land Trust (Boundaries) Act 1985","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n![](image.001.png)\n\n \n\n \n\n \n\n \n\n \n\n \n\nPetermann Aboriginal Land Trust (Boundaries) Act 1985\n\n \n\nNo. 109 of 1985\n\n \n\n \n\n \n\n \n\n \n\nAn Act relating to the boundaries of the land held by the Petermann Aboriginal Land Trust established under the Aboriginal Land Rights (Northern Territory) Act 1976, and for related purposes\n\n \n\n \n\n \n\nContents\n\n[1 Short title](#_Toc425250433)\n\n[2 Commencement](#_Toc425250434)\n\n[3 Boundaries of the Petermann Aboriginal Land Trust](#_Toc425250435)\n\n[4 Validation of Proclamation](#_Toc425250436)\n\n[5 No compensation payable](#_Toc425250437)\n\n[Schedule](#_Toc425250438)\n\n \n\n![](image.001.png)\n\n \n\n \n\nPetermann Aboriginal Land Trust (Boundaries) Act 1985\n\nNo. 109 of 1985\n\n \n\n \n\n \n\nAn Act relating to the boundaries of the land held by the Petermann Aboriginal Land Trust established under the Aboriginal Land Rights (Northern Territory) Act 1976, and for related purposes\n\n[Assented to 16 October 1985]\n\nThe Parliament of Australia enacts:\n\n##### 1  Short title\n\n  This Act may be cited as the Petermann Aboriginal Land Trust (Boundaries) Act 1985.\n\n##### 2  Commencement\n\n  This Act shall come into operation on the day on which it receives the Royal Assent.\n\n##### 3  Boundaries of the Petermann Aboriginal Land Trust\n\n  The boundaries of the land held by the Petermann Aboriginal Land Trust, being the trust of that name that was established by the Minister under subsection 4(1) of the Aboriginal Land Rights (Northern Territory) Act 1976, shall, in lieu of the boundaries that were specified in the notice published in the Gazette on 21 July 1978 under that sub-section and in the relevant deed or deeds of grant executed under section 12 of that Act, be, and be deemed to have at all times been, the boundaries set out in the description of land in the Schedule to this Act.\n\n##### 4  Validation of Proclamation\n\n  The Proclamation in relation to the Uluru (Ayers Rock—Mount Olga) National Park that was made and published in the Gazette on 24 May 1977 under subsection 7(2) of the National Parks and Wildlife Conservation Act 1975 shall be deemed to have been validly made notwithstanding that the description of the area of the Park contained in the Schedule to the Proclamation contained an area that was included in the description of land in Schedule 1 to the Aboriginal Land Rights (Northern Territory) Act 1976 under the heading ‘Petermann’.\n\n##### 5  No compensation payable\n\n  Notwithstanding any law of the Commonwealth or of the Northern Territory, the Commonwealth is not liable to pay compensation to any person by reason of the enactment of this Act.\n\n# Schedule\n\n \n\nSection 3\n\nAll that piece of land in the Northern Territory of Australia containing an area of 44970 square kilometres more or less: Commencing at the northwestern corner of Northern Territory Portion 2214; thence southerly by the western boundary of the said Northern Territory Portion, the western boundary of Northern Territory Portion 1097 and the southerly prolongation of the western boundary of Northern Territory Portion 1097 to the parallel of south latitude 24 degrees 50 minutes; thence west by the said parallel to the meridian of east longitude 130 degrees 45 minutes; thence south by the said meridian to the parallel of south latitude 25 degrees 7 minutes 24 seconds; thence northwesterly to a point of south latitude 25 degrees 4 minutes 54 seconds and east longitude 130 degrees 40 minutes; thence south by the said meridian to parallel of south latitude 25 degrees 25 minutes; thence east by the said parallel to a western boundary of Northern Territory Portion 1818; thence southerly by the said western boundary of Northern Territory Portion 1818 and the western boundary of Northern Territory Portion 325 (Mulga Park) to the southern boundary of the Northern Territory; thence west along the southern boundary of the Northern Territory to the southwestern corner of the Northern Territory; thence north along the western boundary of the Northern Territory to a point west of the point of commencement; thence east to the point of commencement.\n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"This Act is narrowly remedial: it corrects and fixes the Petermann Trust boundary, validates a prior national-park proclamation that overlapped the earlier descriptions, and removes Commonwealth compensation liability arising from those corrections. Those measures stay within the original, limited purpose of resolving a boundary/description defect and validating the proclamation. The Act does not broaden its subject-matter beyond that narrow corrective scope (it does not create new classes of rights, extend to other land trusts, or enact broader land policy). The substantive effects (retroactive deeming and an express no-compensation clause) are consequential but consistent with the Act’s original corrective purpose."},"complexity_factors":["Very short Act: 5 operative sections plus a Schedule","No formal interpretation/definitions section","Contains retroactive deeming of historical boundaries (section 3) — legal effect greater than text length suggests","Cross-references to two other Acts and to prior Gazette notices and deeds (Aboriginal Land Rights (Northern Territory) Act 1976; National Parks and Wildlife Conservation Act 1975; Gazette notices and deeds of grant)","Schedule contains technical geographic description (coordinates, NT portion references) that requires cadastral/mapping expertise to implement","Express bar on Commonwealth compensation (section 5) introduces substantive legal limit despite short text","Potential ambiguity about whether the Northern Territory itself could face liability remains (the Act expressly removes Commonwealth liability but does not explicitly remove NT liability)"],"plain_english_summary":"**What this law does (mechanically)\n\n- Replaces and fixes the legal boundary of the land held by the Petermann Aboriginal Land Trust (the Trust) with the boundary described in the Schedule to this Act, and declares that this is the boundary \"and be deemed to have at all times been\" the boundary (section 3 and Schedule).  This means the Schedule’s description becomes the authoritative boundary and applies retrospectively.\n\n- Treats a 1977 Proclamation creating the Uluru (Ayers Rock—Mount Olga) National Park as valid even though the Proclamation’s published description overlapped land described as part of the Petermann area (section 4).  In short: the Proclamation is validated despite an earlier overlap in descriptions.\n\n- States that the Commonwealth will not be liable to pay compensation to anyone because of this Act (section 5).  The clause is framed to operate \"notwithstanding any law of the Commonwealth or of the Northern Territory.\"  That means the Commonwealth asserts it will not pay compensation arising from these boundary changes or the validation (but the text does not itself say the Northern Territory is excluded from any liability).\n\n**Who is affected\n\n- The Petermann Aboriginal Land Trust and the Aboriginal owners represented by it: the legal description of their trust land is changed (or clarified) by the Schedule (section 3).\n- Any person or entity with an existing or claimed interest in the area affected by the new boundary description (for example, holders of leases, licences, pastoral interests, or any other claims that might have rested on the older boundary descriptions) — those interests may be altered in practice by the changed/deemed boundary.\n- The Commonwealth (fiscal position): the Commonwealth is relieved of liability to pay compensation arising from the enactment (section 5).\n- Administrators of land records and mapping (Commonwealth and Northern Territory agencies) who must record and apply the Schedule’s boundary description.\n\n**Why it matters (legal and practical consequences)\n\n- Legal certainty / retrospective effect: By deeming the Schedule’s boundary to have \"at all times\" been the boundary (section 3), the Act resolves any disputes that turned on the previous Gazette notice or deed descriptions. That can extinguish or alter claims that relied on the earlier descriptions.\n- Validation of the Uluru proclamation (section 4) removes a legal defect arising from overlapping descriptions and therefore reduces litigation risk about the validity of the national park proclamation.\n- Financial consequence: the explicit no-compensation clause (section 5) shifts the financial cost of these corrections away from the Commonwealth. Individuals who lose rights or expect compensation because of the change will face a legal barrier to claiming compensation from the Commonwealth; they may need to look to other legal remedies (if any) or other parties.\n\n**Official purpose-claims and how they stack against trade-offs\n\n- Stated/implicit purpose: to correct and fix the legal boundary for the Petermann Trust, and to validate an earlier national-park proclamation.\n- Trade-offs and incentives: the Act produces concentrated benefits (certainty for the Trust and for Commonwealth/Northern Territory administration) and imposes potential costs on individuals whose interests are displaced or who would otherwise have sought compensation. The Act explicitly removes Commonwealth compensation liability (section 5), so the immediate fiscal cost to the Commonwealth is eliminated; the opportunity cost is that affected persons bear the loss or must seek other remedies. Administrative costs include updating land records and maps to reflect the Schedule.\n- Implementation risks and compliance burden: minimal discretion is created in government because the Act sets a precise Schedule of coordinates and parcel references. Practical risks are mapping accuracy, potential disputes with third parties (for example, if cadastral references are ambiguous), and coordination between Commonwealth and NT land registries.\n\n**Who pays, who decides, and what behaviour changes\n\n- Who pays: the Act states the Commonwealth will not pay compensation (section 5). Practically, affected private parties bear the adjustment costs unless another party (for example, the Northern Territory or a private party) voluntarily compensates them or is found otherwise liable by a court.\n- Who decides: Parliament has fixed the boundary in primary legislation and validated the prior Proclamation; there is little administrative discretion introduced by this Act.\n- Behaviour changes: land users and administrators will update titles, leases and maps to reflect the Schedule. Potential claimants may seek non-Commonwealth remedies (litigation against other parties, equitable claims, or political remedies).\n\n**Key provisions cited**: section 3 (boundary replacement and retrospective deeming), Schedule (textual boundary and coordinates), section 4 (validation of Uluru proclamation), section 5 (no compensation payable).\n\n(End of summary.)"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The legislation remains tightly scoped to its original purpose: correcting the boundaries of a specific Aboriginal Land Trust and validating a specific National Park proclamation. There is no evidence of scope creep; it does exactly what the long title says and no more."},"complexity_factors":["Very short statute — only 5 operative sections plus a Schedule","Single purpose legislation with no subordinate legislation or regulations referenced","Only one defined term implied (the Petermann Aboriginal Land Trust, which references an external Act)","No nested exceptions or conditional logic — straightforward declaratory language","Schedule contains only a land description using standard survey terminology (meridians, parallels, portions)","No cross-references beyond the parent Aboriginal Land Rights (Northern Territory) Act 1976 and the National Parks and Wildlife Conservation Act 1975"],"plain_english_summary":"**What this law does:**\n\nThis Act fixes the boundaries of land held by the **Petermann Aboriginal Land Trust** — a body set up under the Aboriginal Land Rights (Northern Territory) Act 1976 to hold land for Aboriginal people in the Northern Territory.\n\n**The problem it solves:**\n\nWhen the Petermann Land Trust was first created in 1978, the boundaries described in the official notice were wrong or problematic. This Act replaces those old boundaries with new ones described in the Schedule (a technical map using survey points, meridians, and parallels). It also makes this change **retrospective** — meaning the new boundaries are treated as if they had always been the correct ones.\n\n**Two other important things:**\n\n*   **It validates a National Park proclamation:** Back in 1977, the government created Uluru (Ayers Rock—Mount Olga) National Park. But the park boundaries accidentally overlapped with land that was later granted to the Petermann Land Trust. This Act says that overlap doesn't invalidate the park proclamation — it was legally valid all along.\n\n*   **No compensation:** The Commonwealth government doesn't have to pay anyone compensation for fixing these boundaries or validating the park proclamation.\n\n**Who it affects:**\n\n*   The Petermann Aboriginal Land Trust and the Traditional Owners of that land\n*   The management of Uluru-Kata Tjuta National Park (formerly Uluru National Park)\n*   Pastoral leaseholders and anyone with interests in the affected area\n\n**Why it matters:**\n\nThis is a technical \"boundary-fixing\" law that resolves a historical surveying error. It ensures clear title to Aboriginal land while protecting the legal status of one of Australia's most famous national parks. Without this fix, there would be uncertainty about who owns what land and whether the national park was legally valid."}},"importantCases":[],"_links":{"self":"/api/acts/petermann-aboriginal-land-trust-boundaries-act-1985","history":"/api/acts/petermann-aboriginal-land-trust-boundaries-act-1985/history","analysis":"/api/acts/petermann-aboriginal-land-trust-boundaries-act-1985/analysis","conflicts":"/api/acts/petermann-aboriginal-land-trust-boundaries-act-1985/conflicts","importantCases":"/api/acts/petermann-aboriginal-land-trust-boundaries-act-1985/important-cases","documents":"/api/acts/petermann-aboriginal-land-trust-boundaries-act-1985/documents"}}