{
  "contract": {
    "agency_name": "Department of Climate Change, Energy, the Environment and Water",
    "amendment_count": 1,
    "category_code": "80161601",
    "contract_end_date": "2025-08-31",
    "contract_id": "CN4120236",
    "contract_start_date": "2024-11-01",
    "currency": "AUD",
    "current_reported_value": "3632379.23",
    "description": "Compound upgrades Pk2",
    "events": [
      {
        "absolute_change": null,
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-ccefabb2fd8e435ca3202d3b3d307be0-7796a84c0818369f920a43c4af69913e",
        "after_source_hash": "94a1d012bd1c26e358d78f66ccf804c8dd88b9eb6ae3e183c80bc4801404b3f9",
        "before_release_id": "prod-ccefabb2fd8e435ca3202d3b3d307be0-a2f3417b931e33e1b147a53df3e9b6da",
        "before_source_hash": "6943fb86eb3e7b6c87e713de66da969fd3faed0d409c725d8ee3a7701cad6e66",
        "contract_id": "CN4120236",
        "detected_at": "2025-07-22T01:29:51Z",
        "direction": "changed",
        "duration_change_days": null,
        "event_id": "5262435205230277976b2a96c469987d843dfd03561b5f81a4a717e74523185e",
        "field_label": "Supplier Name",
        "field_name": "supplier_name",
        "new_value": "JONES LANG LASALLE (ACT) PTY LTD [001]",
        "notice_id": "CN4120236-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/3869679d-e994-4424-a6d9-32bcaf56589f",
        "old_value": "JONES LANG LASALLE (ACT) P/L",
        "percentage_change": null,
        "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/CN4120236",
        "summary": "Supplier changed."
      },
      {
        "absolute_change": "-1330623.91",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-ccefabb2fd8e435ca3202d3b3d307be0-7796a84c0818369f920a43c4af69913e",
        "after_source_hash": "94a1d012bd1c26e358d78f66ccf804c8dd88b9eb6ae3e183c80bc4801404b3f9",
        "before_release_id": "prod-ccefabb2fd8e435ca3202d3b3d307be0-a2f3417b931e33e1b147a53df3e9b6da",
        "before_source_hash": "6943fb86eb3e7b6c87e713de66da969fd3faed0d409c725d8ee3a7701cad6e66",
        "contract_id": "CN4120236",
        "detected_at": "2025-07-22T01:29:51Z",
        "direction": "decrease",
        "duration_change_days": null,
        "event_id": "624e22ed1b6afc5f064bb4f9a113c36c182a5ca24f372d5a59b222a5efca8395",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "3632379.23",
        "notice_id": "CN4120236-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/3869679d-e994-4424-a6d9-32bcaf56589f",
        "old_value": "4963003.14",
        "percentage_change": "-26.81",
        "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/CN4120236",
        "summary": "Reported contract value decreased by $1,330,623.91 (-26.81%)."
      }
    ],
    "evidence_path": "evidence/CN4120236.json",
    "latest_modified_at": "2025-07-22T01:29:51Z",
    "notice_id": "CN4120236-A1",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/3869679d-e994-4424-a6d9-32bcaf56589f",
    "original_reported_value": "4963003.14",
    "procurement_method": "Open tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN4120236",
    "supplier_name": "JONES LANG LASALLE (ACT) PTY LTD [001]",
    "title": "REF07765",
    "value_change": "-1330623.91",
    "value_change_percentage": "-26.81",
    "versions": [
      {
        "agency_name": "Department of Climate Change, Energy, the Environment and Water",
        "category_code": "80161601",
        "contract_end_date": "2025-08-31",
        "contract_id": "CN4120236",
        "contract_start_date": "2024-11-01",
        "currency": "AUD",
        "description": "Compound upgrades Pk2",
        "notice_id": "CN4120236",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/16a08e89-dc69-4226-8984-80a2ec54ae5c",
        "procurement_method": "Open tender",
        "reported_value": "4963003.14",
        "source_hash": "6943fb86eb3e7b6c87e713de66da969fd3faed0d409c725d8ee3a7701cad6e66",
        "source_modified_at": "2025-01-08T05:54:22Z",
        "source_release_id": "prod-ccefabb2fd8e435ca3202d3b3d307be0-a2f3417b931e33e1b147a53df3e9b6da",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4120236",
        "supplier_name": "JONES LANG LASALLE (ACT) P/L",
        "title": "REF07765"
      },
      {
        "agency_name": "Department of Climate Change, Energy, the Environment and Water",
        "category_code": "80161601",
        "contract_end_date": "2025-08-31",
        "contract_id": "CN4120236",
        "contract_start_date": "2024-11-01",
        "currency": "AUD",
        "description": "Compound upgrades Pk2",
        "notice_id": "CN4120236-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/3869679d-e994-4424-a6d9-32bcaf56589f",
        "procurement_method": "Open tender",
        "reported_value": "3632379.23",
        "source_hash": "94a1d012bd1c26e358d78f66ccf804c8dd88b9eb6ae3e183c80bc4801404b3f9",
        "source_modified_at": "2025-07-22T01:29:51Z",
        "source_release_id": "prod-ccefabb2fd8e435ca3202d3b3d307be0-7796a84c0818369f920a43c4af69913e",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4120236",
        "supplier_name": "JONES LANG LASALLE (ACT) PTY LTD [001]",
        "title": "REF07765"
      }
    ]
  },
  "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"
  }
}