{
  "contract": {
    "agency_name": "Department of Defence",
    "amendment_count": 7,
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    "contract_end_date": "2032-01-31",
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    "contract_start_date": "2024-10-01",
    "currency": "AUD",
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    "description": "Base Services",
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        "direction": "increase",
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        "field_label": "Reported Value",
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        "notice_id": "CN4095604-A1",
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        "old_value": "645150335.80",
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4095604",
        "summary": "Reported contract value increased by $1,356,666.30 (+0.21%)."
      },
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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": "CN4095604-A2",
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        "old_value": "646507002.10",
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4095604",
        "summary": "Reported contract value increased by $165,000.00 (+0.03%)."
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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": "CN4095604-A3",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/3dce7dde-b9bb-4f1c-94e8-01c9dc8354cd",
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4095604",
        "summary": "Reported contract value increased by $1,210,000.00 (+0.19%)."
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4095604",
        "summary": "Reported contract value increased by $3,396,478,713.77 (+524.24%)."
      },
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
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        "direction": "decrease",
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        "field_label": "Reported Value",
        "field_name": "reported_value",
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        "notice_id": "CN4095604-A5",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/5cb84a10-1387-4435-b5f4-c408b5def502",
        "old_value": "4044360715.87",
        "percentage_change": "-19.26",
        "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/CN4095604",
        "summary": "Reported contract value decreased by $779,139,617.13 (-19.26%)."
      },
      {
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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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        "official_record_url": "https://www.tenders.gov.au/Cn/Show/d9d7394d-6ac0-4d90-85be-0fcf3c83cf07",
        "old_value": "3265221098.74",
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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/CN4095604",
        "summary": "Reported contract value increased by $483,848,929.07 (+14.82%)."
      },
      {
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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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        "official_record_url": "https://www.tenders.gov.au/Cn/Show/cb666718-022f-4316-af5e-8d2d17e4475e",
        "old_value": "3749070027.81",
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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/CN4095604",
        "summary": "Reported contract value increased by $20,232,284.10 (+0.54%)."
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    "evidence_path": "evidence/CN4095604.json",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4095604",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4095604",
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      {
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4095604",
        "supplier_name": "VENTIA AUSTRALIA PTY LTD GEMS PROJECT",
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        "official_record_url": "https://www.tenders.gov.au/Cn/Show/d9d7394d-6ac0-4d90-85be-0fcf3c83cf07",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4095604",
        "supplier_name": "VENTIA AUSTRALIA PTY LTD GEMS PROJECT",
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      {
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4095604",
        "supplier_name": "VENTIA AUSTRALIA PTY LTD GEMS PROJECT",
        "title": "5200000046"
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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"
  }
}