{
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    "agency_name": "Department of Defence",
    "amendment_count": 7,
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    "contract_end_date": "2026-06-15",
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    "contract_start_date": "2022-02-17",
    "currency": "AUD",
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    "description": "Civil Works",
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
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        "notice_id": "CN3849869-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/36d3ffd2-610a-43d6-a14d-90ed87b4a4c3",
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3849869",
        "summary": "Reported contract value increased by $39,959.52 (+1.27%)."
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
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        "field_label": "Reported Value",
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        "notice_id": "CN3849869-A2",
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3849869",
        "summary": "Reported contract value increased by $117,322.40 (+3.69%)."
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
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        "notice_id": "CN3849869-A3",
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3849869",
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3849869",
        "summary": "Reported contract value increased by $875,532.64 (+25.56%)."
      },
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3849869",
        "summary": "Reported contract value increased by $73,956.11 (+1.72%)."
      },
      {
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
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        "contract_id": "CN3849869",
        "detected_at": "2025-07-21T05:55:57Z",
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        "old_value": "4375506.11",
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        "source_license": "https://creativecommons.org/licenses/by/3.0/au/",
        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3849869",
        "summary": "Reported contract value increased by $136,320.18 (+3.12%)."
      },
      {
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
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        "contract_id": "CN3849869",
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        "old_value": "4511826.29",
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        "source_license": "https://creativecommons.org/licenses/by/3.0/au/",
        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3849869",
        "summary": "Reported contract value increased by $16,895.45 (+0.37%)."
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    "evidence_path": "evidence/CN3849869.json",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3849869",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3849869",
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    ]
  },
  "disclaimer": "ContractDelta identifies changes in publicly reported procurement records. A change is not evidence of misconduct. Contract amendments can result from legitimate changes in scope, timing, pricing, reporting, or data correction.",
  "generated_at": "2026-07-17T05:22:06Z",
  "schema_version": "1.0",
  "source": {
    "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
    "coverage": {
      "amended_contracts_discovered": 851,
      "amended_contracts_selected": 20,
      "amended_contracts_skipped": 831,
      "max_amended_contracts": 20,
      "mode": "bounded_amendments",
      "query_end": "2026-07-20T23:59:59.999999Z",
      "query_start": "2026-07-12T00:00:00Z",
      "selection_method": "Explicit amendment contracts were ranked by current reported value, then source modification time and contract ID. Only the highest-ranked bounded set was processed."
    },
    "license": "https://creativecommons.org/licenses/by/3.0/au/",
    "name": "AusTender OCDS API",
    "publisher": "Australian Government Department of Finance"
  }
}