{
  "contract": {
    "agency_name": "Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts",
    "amendment_count": 2,
    "category_code": "78140000",
    "contract_end_date": "2026-08-31",
    "contract_id": "CN3907859",
    "contract_start_date": "2022-09-01",
    "currency": "AUD",
    "current_reported_value": "18473561.49",
    "description": "Remote Air Services Subsidy",
    "events": [
      {
        "absolute_change": "4729476.22",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-1bc92dba3a2c407d8dbb2c36bc22b772-9368cfbb76813e9ebf547c216885add3",
        "after_source_hash": "f625bdaf7a10d11bbad06ff6c4e5a7bcde272d39a769fb8647a49657a457cd58",
        "before_release_id": "prod-1bc92dba3a2c407d8dbb2c36bc22b772-5ad94125c2023cccb9cb54eb2009200d",
        "before_source_hash": "714a92c4b853f360920ffac0a7fbd4331d569639053a8ac903c82a593e90c723",
        "contract_id": "CN3907859",
        "detected_at": "2025-07-25T05:22:24Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "0b34ff1ac094f58a758102e42c0cd1db17f4747671841f270ecb248139ec175f",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "13683183.59",
        "notice_id": "CN3907859-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/5b1252b6-41b6-4cee-84f8-c2322446a14b",
        "old_value": "8953707.37",
        "percentage_change": "52.82",
        "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/CN3907859",
        "summary": "Reported contract value increased by $4,729,476.22 (+52.82%)."
      },
      {
        "absolute_change": "4790377.90",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-1bc92dba3a2c407d8dbb2c36bc22b772-d332bf23081a3001a8616ede2aee733a",
        "after_source_hash": "1ed93b3158cd4656de3e25d3df34e48fb6befbb17cede7cb4f58e37a8c8fc1af",
        "before_release_id": "prod-1bc92dba3a2c407d8dbb2c36bc22b772-9368cfbb76813e9ebf547c216885add3",
        "before_source_hash": "f625bdaf7a10d11bbad06ff6c4e5a7bcde272d39a769fb8647a49657a457cd58",
        "contract_id": "CN3907859",
        "detected_at": "2025-07-25T05:22:24Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "d5f5bbf3ff6269fe997c23106e553f61988ccf7f9f1930700f149ad884fca443",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "18473561.49",
        "notice_id": "CN3907859-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/a6243d1d-05e3-4afa-ab90-3f0855ef3d9e",
        "old_value": "13683183.59",
        "percentage_change": "35.01",
        "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/CN3907859",
        "summary": "Reported contract value increased by $4,790,377.90 (+35.01%)."
      }
    ],
    "evidence_path": "evidence/CN3907859.json",
    "latest_modified_at": "2025-07-25T05:22:24Z",
    "notice_id": "CN3907859-A2",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/a6243d1d-05e3-4afa-ab90-3f0855ef3d9e",
    "original_reported_value": "8953707.37",
    "procurement_method": "Open tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN3907859",
    "supplier_name": "CHARTAIR PTY LTD",
    "title": "0041013858",
    "value_change": "9519854.12",
    "value_change_percentage": "106.32",
    "versions": [
      {
        "agency_name": "Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts",
        "category_code": "78140000",
        "contract_end_date": "2026-08-31",
        "contract_id": "CN3907859",
        "contract_start_date": "2022-09-01",
        "currency": "AUD",
        "description": "Remote Air Services Subsidy",
        "notice_id": "CN3907859",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/d6fd38c3-1f67-4b39-aaea-cf76cc0f07c7",
        "procurement_method": "Open tender",
        "reported_value": "8953707.37",
        "source_hash": "714a92c4b853f360920ffac0a7fbd4331d569639053a8ac903c82a593e90c723",
        "source_modified_at": "2022-08-25T03:36:28Z",
        "source_release_id": "prod-1bc92dba3a2c407d8dbb2c36bc22b772-5ad94125c2023cccb9cb54eb2009200d",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3907859",
        "supplier_name": "CHARTAIR PTY LTD",
        "title": "0041013858"
      },
      {
        "agency_name": "Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts",
        "category_code": "78140000",
        "contract_end_date": "2026-08-31",
        "contract_id": "CN3907859",
        "contract_start_date": "2022-09-01",
        "currency": "AUD",
        "description": "Remote Air Services Subsidy",
        "notice_id": "CN3907859-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/5b1252b6-41b6-4cee-84f8-c2322446a14b",
        "procurement_method": "Open tender",
        "reported_value": "13683183.59",
        "source_hash": "f625bdaf7a10d11bbad06ff6c4e5a7bcde272d39a769fb8647a49657a457cd58",
        "source_modified_at": "2025-07-25T05:22:24Z",
        "source_release_id": "prod-1bc92dba3a2c407d8dbb2c36bc22b772-9368cfbb76813e9ebf547c216885add3",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3907859",
        "supplier_name": "CHARTAIR PTY LTD",
        "title": "0041013858"
      },
      {
        "agency_name": "Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts",
        "category_code": "78140000",
        "contract_end_date": "2026-08-31",
        "contract_id": "CN3907859",
        "contract_start_date": "2022-09-01",
        "currency": "AUD",
        "description": "Remote Air Services Subsidy",
        "notice_id": "CN3907859-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/a6243d1d-05e3-4afa-ab90-3f0855ef3d9e",
        "procurement_method": "Open tender",
        "reported_value": "18473561.49",
        "source_hash": "1ed93b3158cd4656de3e25d3df34e48fb6befbb17cede7cb4f58e37a8c8fc1af",
        "source_modified_at": "2025-07-25T05:22:24Z",
        "source_release_id": "prod-1bc92dba3a2c407d8dbb2c36bc22b772-d332bf23081a3001a8616ede2aee733a",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3907859",
        "supplier_name": "CHARTAIR PTY LTD",
        "title": "0041013858"
      }
    ]
  },
  "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"
  }
}
