{
  "contract": {
    "agency_name": "Department of Defence",
    "amendment_count": 4,
    "category_code": "83100000",
    "contract_end_date": "2025-07-31",
    "contract_id": "CN4078550",
    "contract_start_date": "2024-07-01",
    "currency": "AUD",
    "current_reported_value": "4945974.00",
    "description": "Utilities Services",
    "events": [
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-a1c236f2c6c8490396cd1a6c93ff4291-dc0fb4ad5b673ad7b98f5129a954546d",
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        "detected_at": "2025-07-23T21:23:40Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "dc950edfe6733f1995868a8b1e3828049a9566e04b1e8acb56e10b71c4a6fee6",
        "field_label": "Reported Value",
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        "notice_id": "CN4078550-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/b3e66a05-dedc-4dfd-9513-408ca066cefc",
        "old_value": "4200000.00",
        "percentage_change": "22.13",
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        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4078550",
        "summary": "Reported contract value increased by $929,327.00 (+22.13%)."
      },
      {
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        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-a1c236f2c6c8490396cd1a6c93ff4291-efe8a3cb3c88318cb1e6f0b46cbe609f",
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        "detected_at": "2025-07-23T21:23:40Z",
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        "event_id": "cd7e0fb97a90cc8975ab5501da3f1bd097abdfaa1d0853cee9c5733c8b36cbed",
        "field_label": "Reported Value",
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        "notice_id": "CN4078550-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/ecfdec43-e48b-49a1-932e-9e9964dc3747",
        "old_value": "5129327.00",
        "percentage_change": "4.05",
        "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/CN4078550",
        "summary": "Reported contract value increased by $207,894.08 (+4.05%)."
      },
      {
        "absolute_change": "465000.00",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-a1c236f2c6c8490396cd1a6c93ff4291-a9ffc5b0924e3f3e83d4c76a580fb9ec",
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        "before_release_id": "prod-a1c236f2c6c8490396cd1a6c93ff4291-efe8a3cb3c88318cb1e6f0b46cbe609f",
        "before_source_hash": "472d8e287bf3324d653f9694537860251c81be61c4e356baf5d8e78b1254e0a8",
        "contract_id": "CN4078550",
        "detected_at": "2025-07-23T21:23:40Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "048cac569faf9698f295a1456f108a56ae0a45e2751015e0a9e9d9eafd2da61a",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "5802221.08",
        "notice_id": "CN4078550-A3",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/828226c4-d898-44c1-8ed8-3bac866c14d1",
        "old_value": "5337221.08",
        "percentage_change": "8.71",
        "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/CN4078550",
        "summary": "Reported contract value increased by $465,000.00 (+8.71%)."
      },
      {
        "absolute_change": "-856247.08",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-a1c236f2c6c8490396cd1a6c93ff4291-f74f07f0e78e3ebaab1966e69dfb5dc5",
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        "contract_id": "CN4078550",
        "detected_at": "2025-07-23T21:23:40Z",
        "direction": "decrease",
        "duration_change_days": null,
        "event_id": "9f1ba9f0cab76dcd0bee0cd2a4ab86d51ec0e2f6a59bcf6c473b509939ce2cbd",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "4945974.00",
        "notice_id": "CN4078550-A4",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/4321d1c8-f787-4f2d-829a-e61da30b46c2",
        "old_value": "5802221.08",
        "percentage_change": "-14.76",
        "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/CN4078550",
        "summary": "Reported contract value decreased by $856,247.08 (-14.76%)."
      }
    ],
    "evidence_path": "evidence/CN4078550.json",
    "latest_modified_at": "2025-07-23T21:23:40Z",
    "notice_id": "CN4078550-A4",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/4321d1c8-f787-4f2d-829a-e61da30b46c2",
    "original_reported_value": "4200000.00",
    "procurement_method": "Limited tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN4078550",
    "supplier_name": "QUEENSLAND URBAN UTILITIES AUTHORITY",
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    "value_change": "745974.00",
    "value_change_percentage": "17.76",
    "versions": [
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4078550",
        "supplier_name": "QUEENSLAND URBAN UTILITIES AUTHORITY",
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      {
        "agency_name": "Department of Defence",
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        "currency": "AUD",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4078550",
        "supplier_name": "QUEENSLAND URBAN UTILITIES AUTHORITY",
        "title": "4600075317"
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      {
        "agency_name": "Department of Defence",
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        "contract_start_date": "2024-07-01",
        "currency": "AUD",
        "description": "Utilities Services",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4078550",
        "supplier_name": "QUEENSLAND URBAN UTILITIES AUTHORITY",
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      {
        "agency_name": "Department of Defence",
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        "official_record_url": "https://www.tenders.gov.au/Cn/Show/828226c4-d898-44c1-8ed8-3bac866c14d1",
        "procurement_method": "Limited tender",
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        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4078550",
        "supplier_name": "QUEENSLAND URBAN UTILITIES AUTHORITY",
        "title": "4600075317"
      },
      {
        "agency_name": "Department of Defence",
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        "currency": "AUD",
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        "notice_id": "CN4078550-A4",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/4321d1c8-f787-4f2d-829a-e61da30b46c2",
        "procurement_method": "Limited tender",
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        "source_release_id": "prod-a1c236f2c6c8490396cd1a6c93ff4291-f74f07f0e78e3ebaab1966e69dfb5dc5",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4078550",
        "supplier_name": "QUEENSLAND URBAN UTILITIES AUTHORITY",
        "title": "4600075317"
      }
    ]
  },
  "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"
  }
}