{
  "contract": {
    "agency_name": "Australian Bureau of Statistics",
    "amendment_count": 2,
    "category_code": "80120000",
    "contract_end_date": "2027-07-31",
    "contract_id": "CN4175467",
    "contract_start_date": "2025-07-30",
    "currency": "AUD",
    "current_reported_value": "175000.00",
    "description": "Legal Services",
    "events": [
      {
        "absolute_change": "50000.00",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-ec6c2b76eedd4f54a3187ca0a9caf278-74c0d87a265231d6aef024b299a0eb07",
        "after_source_hash": "6e2ead1db6eab264d6bcc231cafc507b27a7016bbb8372ae5578b7250c31a566",
        "before_release_id": "prod-ec6c2b76eedd4f54a3187ca0a9caf278-9af03fc92ed7373fb750cf2e5c060076",
        "before_source_hash": "84c27212ede83a8dacd50c32ef4a95bf6d7def8c3f97ea8b4f4c5cee3a97c2df",
        "contract_id": "CN4175467",
        "detected_at": "2026-07-15T04:56:06Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "b3c7fad72b4f7e211f840ab7ea45e8e24add08b84eb288de61a29de5d0c022ce",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "125000.00",
        "notice_id": "CN4175467-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/4d68c23d-7863-416f-b8b8-c9bb12d8f1b3",
        "old_value": "75000.00",
        "percentage_change": "66.67",
        "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/CN4175467",
        "summary": "Reported contract value increased by $50,000.00 (+66.67%)."
      },
      {
        "absolute_change": "50000.00",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-ec6c2b76eedd4f54a3187ca0a9caf278-d29b58ab2d6133d99a19e270fa03a0a3",
        "after_source_hash": "63545b681bb0dc0e820d30e7010e997cc9d93e98ceee90de8613ef1e2374aa35",
        "before_release_id": "prod-ec6c2b76eedd4f54a3187ca0a9caf278-74c0d87a265231d6aef024b299a0eb07",
        "before_source_hash": "6e2ead1db6eab264d6bcc231cafc507b27a7016bbb8372ae5578b7250c31a566",
        "contract_id": "CN4175467",
        "detected_at": "2026-07-15T04:56:06Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "7517b9f5fbb88b2c187e2bf8083280b641d4c4c1c64a7e3e2c4043c181026c89",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "175000.00",
        "notice_id": "CN4175467-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/3e4cf3bc-8e36-4666-bfd6-84718ebd716d",
        "old_value": "125000.00",
        "percentage_change": "40.00",
        "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/CN4175467",
        "summary": "Reported contract value increased by $50,000.00 (+40.00%)."
      }
    ],
    "evidence_path": "evidence/CN4175467.json",
    "latest_modified_at": "2026-07-15T04:56:06Z",
    "notice_id": "CN4175467-A2",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/3e4cf3bc-8e36-4666-bfd6-84718ebd716d",
    "original_reported_value": "75000.00",
    "procurement_method": "Open tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN4175467",
    "supplier_name": "Clayton Utz",
    "title": "ABS2025.157",
    "value_change": "100000.00",
    "value_change_percentage": "133.33",
    "versions": [
      {
        "agency_name": "Australian Bureau of Statistics",
        "category_code": "80120000",
        "contract_end_date": "2027-07-31",
        "contract_id": "CN4175467",
        "contract_start_date": "2025-07-30",
        "currency": "AUD",
        "description": "Legal Services",
        "notice_id": "CN4175467",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/4a1bd090-8f88-4f8e-938c-c015dadf5346",
        "procurement_method": "Open tender",
        "reported_value": "75000.00",
        "source_hash": "84c27212ede83a8dacd50c32ef4a95bf6d7def8c3f97ea8b4f4c5cee3a97c2df",
        "source_modified_at": "2025-07-31T00:26:28Z",
        "source_release_id": "prod-ec6c2b76eedd4f54a3187ca0a9caf278-9af03fc92ed7373fb750cf2e5c060076",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4175467",
        "supplier_name": "Clayton Utz",
        "title": "ABS2025.157"
      },
      {
        "agency_name": "Australian Bureau of Statistics",
        "category_code": "80120000",
        "contract_end_date": "2027-07-31",
        "contract_id": "CN4175467",
        "contract_start_date": "2025-07-30",
        "currency": "AUD",
        "description": "Legal Services",
        "notice_id": "CN4175467-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/4d68c23d-7863-416f-b8b8-c9bb12d8f1b3",
        "procurement_method": "Open tender",
        "reported_value": "125000.00",
        "source_hash": "6e2ead1db6eab264d6bcc231cafc507b27a7016bbb8372ae5578b7250c31a566",
        "source_modified_at": "2026-07-15T04:56:06Z",
        "source_release_id": "prod-ec6c2b76eedd4f54a3187ca0a9caf278-74c0d87a265231d6aef024b299a0eb07",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4175467",
        "supplier_name": "Clayton Utz",
        "title": "ABS2025.157"
      },
      {
        "agency_name": "Australian Bureau of Statistics",
        "category_code": "80120000",
        "contract_end_date": "2027-07-31",
        "contract_id": "CN4175467",
        "contract_start_date": "2025-07-30",
        "currency": "AUD",
        "description": "Legal Services",
        "notice_id": "CN4175467-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/3e4cf3bc-8e36-4666-bfd6-84718ebd716d",
        "procurement_method": "Open tender",
        "reported_value": "175000.00",
        "source_hash": "63545b681bb0dc0e820d30e7010e997cc9d93e98ceee90de8613ef1e2374aa35",
        "source_modified_at": "2026-07-15T04:56:06Z",
        "source_release_id": "prod-ec6c2b76eedd4f54a3187ca0a9caf278-d29b58ab2d6133d99a19e270fa03a0a3",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4175467",
        "supplier_name": "Clayton Utz",
        "title": "ABS2025.157"
      }
    ]
  },
  "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"
  }
}