{
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    "agency_name": "Department of Defence",
    "amendment_count": 3,
    "category_code": "81100000",
    "contract_end_date": "2025-06-30",
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    "contract_start_date": "2024-09-01",
    "currency": "AUD",
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    "description": "Management and Strategic Support Services",
    "events": [
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-3618c462f3c54f77b08545a0a7b97091-9d246198f5023efb94b3284b72e95d91",
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        "contract_id": "CN4092199",
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        "direction": "increase",
        "duration_change_days": null,
        "event_id": "1f995a233cd88c8d343a53b30142cd1f6e39cb16dbbd10024b054d33a16a5250",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "2240857.38",
        "notice_id": "CN4092199-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/b64e2963-c2d0-4f8f-a9b0-e725d18f7e7c",
        "old_value": "995759.28",
        "percentage_change": "125.04",
        "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/CN4092199",
        "summary": "Reported contract value increased by $1,245,098.10 (+125.04%)."
      },
      {
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-3618c462f3c54f77b08545a0a7b97091-38421eb8443f33ec8d7ff68e73b4fe13",
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        "contract_id": "CN4092199",
        "detected_at": "2025-07-21T03:59:49Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "9e8430a86cf34d9bc5f9675a19b672ffd7c54cf14cbd7ea937af0be85f1738af",
        "field_label": "Reported Value",
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        "new_value": "2277281.46",
        "notice_id": "CN4092199-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/aa030f4e-cd1a-4186-ba81-a80a89f284cb",
        "old_value": "2240857.38",
        "percentage_change": "1.63",
        "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/CN4092199",
        "summary": "Reported contract value increased by $36,424.08 (+1.63%)."
      },
      {
        "absolute_change": "443447.47",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-3618c462f3c54f77b08545a0a7b97091-e7c9e435c95532d8886954c5f1701b20",
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        "before_source_hash": "2b52c7700e568f07d9d5358efa8aec437ae33b8d20afe2b956624d1ec358ad43",
        "contract_id": "CN4092199",
        "detected_at": "2025-07-21T03:59:49Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "03dcc4d3092fcc7cea4a9fae95a318e9303b099caa12af05a5b0343012845c95",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "2720728.93",
        "notice_id": "CN4092199-A3",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/d2a00f55-d208-4ec0-b8c9-d2226ae2b174",
        "old_value": "2277281.46",
        "percentage_change": "19.47",
        "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/CN4092199",
        "summary": "Reported contract value increased by $443,447.47 (+19.47%)."
      }
    ],
    "evidence_path": "evidence/CN4092199.json",
    "latest_modified_at": "2025-07-21T03:59:49Z",
    "notice_id": "CN4092199-A3",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/d2a00f55-d208-4ec0-b8c9-d2226ae2b174",
    "original_reported_value": "995759.28",
    "procurement_method": "Open tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN4092199",
    "supplier_name": "DOWNER DEFENCE SERVICES PTY LTD",
    "title": "4600078107",
    "value_change": "1724969.65",
    "value_change_percentage": "173.23",
    "versions": [
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        "agency_name": "Department of Defence",
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        "currency": "AUD",
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        "notice_id": "CN4092199",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4092199",
        "supplier_name": "DOWNER DEFENCE SERVICES PTY LTD",
        "title": "4600078107"
      },
      {
        "agency_name": "Department of Defence",
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        "contract_end_date": "2025-06-30",
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        "currency": "AUD",
        "description": "Management and Strategic Support Services",
        "notice_id": "CN4092199-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/b64e2963-c2d0-4f8f-a9b0-e725d18f7e7c",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4092199",
        "supplier_name": "DOWNER DEFENCE SERVICES PTY LTD",
        "title": "4600078107"
      },
      {
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        "contract_id": "CN4092199",
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        "currency": "AUD",
        "description": "Management and Strategic Support Services",
        "notice_id": "CN4092199-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/aa030f4e-cd1a-4186-ba81-a80a89f284cb",
        "procurement_method": "Open tender",
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        "source_release_id": "prod-3618c462f3c54f77b08545a0a7b97091-38421eb8443f33ec8d7ff68e73b4fe13",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4092199",
        "supplier_name": "DOWNER DEFENCE SERVICES PTY LTD",
        "title": "4600078107"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "81100000",
        "contract_end_date": "2025-06-30",
        "contract_id": "CN4092199",
        "contract_start_date": "2024-09-01",
        "currency": "AUD",
        "description": "Management and Strategic Support Services",
        "notice_id": "CN4092199-A3",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/d2a00f55-d208-4ec0-b8c9-d2226ae2b174",
        "procurement_method": "Open tender",
        "reported_value": "2720728.93",
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        "source_release_id": "prod-3618c462f3c54f77b08545a0a7b97091-e7c9e435c95532d8886954c5f1701b20",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4092199",
        "supplier_name": "DOWNER DEFENCE SERVICES PTY LTD",
        "title": "4600078107"
      }
    ]
  },
  "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"
  }
}