{
  "contract": {
    "agency_name": "Department of Defence",
    "amendment_count": 2,
    "category_code": "72100000",
    "contract_end_date": "2026-11-30",
    "contract_id": "CN4035434",
    "contract_start_date": "2023-09-13",
    "currency": "AUD",
    "current_reported_value": "20230629.13",
    "description": "Construction Services",
    "events": [
      {
        "absolute_change": "7347617.00",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-c1c75e1c554a440b8d6fb5935a51d7c7-0a216b872ab330b58e36875c24155db7",
        "after_source_hash": "0ad166cd96b44690a9f706a30068dab36cacd4a0be53b011e55def9064af8f3c",
        "before_release_id": "prod-c1c75e1c554a440b8d6fb5935a51d7c7-f931883a5ccc351cb99ad6ff59bc4b62",
        "before_source_hash": "201a85361ee135cc92aef218dabcc275cf26f638809ca421b5c1c0fd20ecb4ff",
        "contract_id": "CN4035434",
        "detected_at": "2025-04-01T06:12:09Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "95cc4de7b648ec6930c83323f0a96441d47b1c5034997fc348071cf8e4c1a851",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "19421586.60",
        "notice_id": "CN4035434-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/928ef914-5271-474c-9fef-e612293d7966",
        "old_value": "12073969.60",
        "percentage_change": "60.86",
        "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/CN4035434",
        "summary": "Reported contract value increased by $7,347,617.00 (+60.86%)."
      },
      {
        "absolute_change": "809042.53",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-c1c75e1c554a440b8d6fb5935a51d7c7-1b77a66ed769381aafc6dd5b3a4ab5cf",
        "after_source_hash": "a71e454bf51564a8a8c53b4fc9c23cc4f6ba23f8ab80a4ad0fc79c4291eb7206",
        "before_release_id": "prod-c1c75e1c554a440b8d6fb5935a51d7c7-0a216b872ab330b58e36875c24155db7",
        "before_source_hash": "0ad166cd96b44690a9f706a30068dab36cacd4a0be53b011e55def9064af8f3c",
        "contract_id": "CN4035434",
        "detected_at": "2025-04-01T06:12:09Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "5eebb66372065b8165e8f2cc24448f18940d8394c7cb7d408e93354559c2a3b2",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "20230629.13",
        "notice_id": "CN4035434-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/17164eaf-2bc6-43e8-ad5e-65516b2e5821",
        "old_value": "19421586.60",
        "percentage_change": "4.17",
        "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/CN4035434",
        "summary": "Reported contract value increased by $809,042.53 (+4.17%)."
      }
    ],
    "evidence_path": "evidence/CN4035434.json",
    "latest_modified_at": "2025-04-01T06:12:09Z",
    "notice_id": "CN4035434-A2",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/17164eaf-2bc6-43e8-ad5e-65516b2e5821",
    "original_reported_value": "12073969.60",
    "procurement_method": "Open tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN4035434",
    "supplier_name": "WOOMERA REDEVELOPMENT JOINT VENTURE SPOTLESS FACILITY SERVICES PTY LTD",
    "title": "4600065982",
    "value_change": "8156659.53",
    "value_change_percentage": "67.56",
    "versions": [
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-11-30",
        "contract_id": "CN4035434",
        "contract_start_date": "2023-09-13",
        "currency": "AUD",
        "description": "Construction Services",
        "notice_id": "CN4035434",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/f73d3400-bf6c-472a-b5cd-7a72f8ff3c25",
        "procurement_method": "Open tender",
        "reported_value": "12073969.60",
        "source_hash": "201a85361ee135cc92aef218dabcc275cf26f638809ca421b5c1c0fd20ecb4ff",
        "source_modified_at": "2024-02-20T03:29:32Z",
        "source_release_id": "prod-c1c75e1c554a440b8d6fb5935a51d7c7-f931883a5ccc351cb99ad6ff59bc4b62",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4035434",
        "supplier_name": "WOOMERA REDEVELOPMENT JOINT VENTURE SPOTLESS FACILITY SERVICES PTY LTD",
        "title": "4600065982"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-11-30",
        "contract_id": "CN4035434",
        "contract_start_date": "2023-09-13",
        "currency": "AUD",
        "description": "Construction Services",
        "notice_id": "CN4035434-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/928ef914-5271-474c-9fef-e612293d7966",
        "procurement_method": "Open tender",
        "reported_value": "19421586.60",
        "source_hash": "0ad166cd96b44690a9f706a30068dab36cacd4a0be53b011e55def9064af8f3c",
        "source_modified_at": "2025-04-01T06:12:09Z",
        "source_release_id": "prod-c1c75e1c554a440b8d6fb5935a51d7c7-0a216b872ab330b58e36875c24155db7",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4035434",
        "supplier_name": "WOOMERA REDEVELOPMENT JOINT VENTURE SPOTLESS FACILITY SERVICES PTY LTD",
        "title": "4600065982"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-11-30",
        "contract_id": "CN4035434",
        "contract_start_date": "2023-09-13",
        "currency": "AUD",
        "description": "Construction Services",
        "notice_id": "CN4035434-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/17164eaf-2bc6-43e8-ad5e-65516b2e5821",
        "procurement_method": "Open tender",
        "reported_value": "20230629.13",
        "source_hash": "a71e454bf51564a8a8c53b4fc9c23cc4f6ba23f8ab80a4ad0fc79c4291eb7206",
        "source_modified_at": "2025-04-01T06:12:09Z",
        "source_release_id": "prod-c1c75e1c554a440b8d6fb5935a51d7c7-1b77a66ed769381aafc6dd5b3a4ab5cf",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4035434",
        "supplier_name": "WOOMERA REDEVELOPMENT JOINT VENTURE SPOTLESS FACILITY SERVICES PTY LTD",
        "title": "4600065982"
      }
    ]
  },
  "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"
  }
}