{
  "contract": {
    "agency_name": "Department of Defence",
    "amendment_count": 5,
    "category_code": "72100000",
    "contract_end_date": "2026-01-31",
    "contract_id": "CN3726584",
    "contract_start_date": "2020-10-29",
    "currency": "AUD",
    "current_reported_value": "7278513.66",
    "description": "Building Works",
    "events": [
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-07aa6d0c3c3a4366a00fe7584d00e821-ca85007c62693ded8f1eebb71f175282",
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        "contract_id": "CN3726584",
        "detected_at": "2025-07-23T05:14:40Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "31e892b61102bd2a058243a987b3c76931ad3d736662016c8f697acc25662765",
        "field_label": "Reported Value",
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        "new_value": "2440001.30",
        "notice_id": "CN3726584-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/3cd70ee2-fd76-4901-be53-6355b77651f3",
        "old_value": "596200.00",
        "percentage_change": "309.26",
        "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/CN3726584",
        "summary": "Reported contract value increased by $1,843,801.30 (+309.26%)."
      },
      {
        "absolute_change": null,
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-07aa6d0c3c3a4366a00fe7584d00e821-ca85007c62693ded8f1eebb71f175282",
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        "contract_id": "CN3726584",
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        "direction": "changed",
        "duration_change_days": null,
        "event_id": "ef3496edd16fa108a2aae556d5077130067f7e942b93e16ba4d47f7dcc374536",
        "field_label": "Supplier Name",
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        "new_value": "VENTIA AUSTRALIA PTY LTD",
        "notice_id": "CN3726584-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/3cd70ee2-fd76-4901-be53-6355b77651f3",
        "old_value": "BROADSPECTRUM (AUSTRALIA) PTY LTD",
        "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/CN3726584",
        "summary": "Supplier changed."
      },
      {
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-07aa6d0c3c3a4366a00fe7584d00e821-a6f1cf14f63436658180cc66c574e3bf",
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        "contract_id": "CN3726584",
        "detected_at": "2025-07-23T05:14:40Z",
        "direction": "increase",
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        "event_id": "1aaaa3debcad8b70cf827d294938ddb8e470fb7edda523b6ef2ec6b66c21eacd",
        "field_label": "Reported Value",
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        "new_value": "5305458.51",
        "notice_id": "CN3726584-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/74815bc7-bdba-4851-9026-fcd9e2e4f647",
        "old_value": "2440001.30",
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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/CN3726584",
        "summary": "Reported contract value increased by $2,865,457.21 (+117.44%)."
      },
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-07aa6d0c3c3a4366a00fe7584d00e821-30b86dbe467b3d9fab28d3902d42965e",
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        "contract_id": "CN3726584",
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        "direction": "increase",
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        "event_id": "8696d0a69de9f2f35b44bf7b789a8b1c4aa66583ea2adb28acb067d4b163e78f",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "5420063.39",
        "notice_id": "CN3726584-A3",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/c0856129-2aea-4576-9945-05abc3925185",
        "old_value": "5305458.51",
        "percentage_change": "2.16",
        "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/CN3726584",
        "summary": "Reported contract value increased by $114,604.88 (+2.16%)."
      },
      {
        "absolute_change": "539784.37",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-07aa6d0c3c3a4366a00fe7584d00e821-e52e47db9a603ad688e908e5151e0d51",
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        "contract_id": "CN3726584",
        "detected_at": "2025-07-23T05:14:40Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "06fde6593f4b60b9ba41c9efa1bb5e0910393c7eedbef1748b14865bff9c06b3",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "5959847.76",
        "notice_id": "CN3726584-A4",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/21b67137-ef43-4648-a531-51f9b0d5e2af",
        "old_value": "5420063.39",
        "percentage_change": "9.96",
        "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/CN3726584",
        "summary": "Reported contract value increased by $539,784.37 (+9.96%)."
      },
      {
        "absolute_change": "1318665.90",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-07aa6d0c3c3a4366a00fe7584d00e821-93a715591102355f95d22bf21d9c575a",
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        "contract_id": "CN3726584",
        "detected_at": "2025-07-23T05:14:40Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "616fb04855b45cab4ee4acf82f3c1178e4a66c39cf6ec83d6874feea50e28c64",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "7278513.66",
        "notice_id": "CN3726584-A5",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/597e545d-b40e-4246-badd-fca456d96572",
        "old_value": "5959847.76",
        "percentage_change": "22.13",
        "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/CN3726584",
        "summary": "Reported contract value increased by $1,318,665.90 (+22.13%)."
      }
    ],
    "evidence_path": "evidence/CN3726584.json",
    "latest_modified_at": "2025-07-23T05:14:40Z",
    "notice_id": "CN3726584-A5",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/597e545d-b40e-4246-badd-fca456d96572",
    "original_reported_value": "596200.00",
    "procurement_method": "Open tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN3726584",
    "supplier_name": "VENTIA AUSTRALIA PTY LTD",
    "title": "4600007071",
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    "value_change_percentage": "1120.82",
    "versions": [
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3726584",
        "supplier_name": "VENTIA AUSTRALIA PTY LTD",
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      {
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3726584",
        "supplier_name": "VENTIA AUSTRALIA PTY LTD",
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      {
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3726584",
        "supplier_name": "VENTIA AUSTRALIA PTY LTD",
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      {
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        "contract_start_date": "2020-10-29",
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        "description": "Building Works",
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        "official_record_url": "https://www.tenders.gov.au/Cn/Show/21b67137-ef43-4648-a531-51f9b0d5e2af",
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        "supplier_name": "VENTIA AUSTRALIA PTY LTD",
        "title": "4600007071"
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      {
        "agency_name": "Department of Defence",
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        "currency": "AUD",
        "description": "Building Works",
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        "official_record_url": "https://www.tenders.gov.au/Cn/Show/597e545d-b40e-4246-badd-fca456d96572",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3726584",
        "supplier_name": "VENTIA AUSTRALIA PTY LTD",
        "title": "4600007071"
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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"
  }
}