{
  "contract": {
    "agency_name": "Australian Bureau of Statistics",
    "amendment_count": 1,
    "category_code": "81162000",
    "contract_end_date": "2027-06-30",
    "contract_id": "CN4107785",
    "contract_start_date": "2024-11-13",
    "currency": "AUD",
    "current_reported_value": "4548270.00",
    "description": "Payroll services",
    "events": [
      {
        "absolute_change": "18270.00",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-9af2257190a74cf6aa77c59d3dfb7d53-aa3822248f3b3132bdba08046dfd1e02",
        "after_source_hash": "5d3c25a560a8b649a279b09ee8b186f30c96940d88a4dc7fb4e06ca17ea55687",
        "before_release_id": "prod-9af2257190a74cf6aa77c59d3dfb7d53-9c3320ccbf2b3a4f99fcd142d0ba47a1",
        "before_source_hash": "3b4bdb57e92219683eefc536bfb3bbce438d931b946a496d21c3c45d3b89dc2f",
        "contract_id": "CN4107785",
        "detected_at": "2025-07-24T23:02:55Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "bf067f70287b5ed6f8e40f48a33c3fcb2524e8765e91dd84f68d7c850296170e",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "4548270.00",
        "notice_id": "CN4107785-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/537403a3-a72d-490b-905c-97bc5abbed1d",
        "old_value": "4530000.00",
        "percentage_change": "0.40",
        "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/CN4107785",
        "summary": "Reported contract value increased by $18,270.00 (+0.40%)."
      }
    ],
    "evidence_path": "evidence/CN4107785.json",
    "latest_modified_at": "2025-07-24T23:02:55Z",
    "notice_id": "CN4107785-A1",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/537403a3-a72d-490b-905c-97bc5abbed1d",
    "original_reported_value": "4530000.00",
    "procurement_method": "Open tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN4107785",
    "supplier_name": "EPI-USE Australia Ply Limited",
    "title": "ABS2024.021",
    "value_change": "18270.00",
    "value_change_percentage": "0.40",
    "versions": [
      {
        "agency_name": "Australian Bureau of Statistics",
        "category_code": "81162000",
        "contract_end_date": "2027-06-30",
        "contract_id": "CN4107785",
        "contract_start_date": "2024-11-13",
        "currency": "AUD",
        "description": "Payroll services",
        "notice_id": "CN4107785",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/6869226d-01cf-4725-809c-90e2c511a9be",
        "procurement_method": "Open tender",
        "reported_value": "4530000.00",
        "source_hash": "3b4bdb57e92219683eefc536bfb3bbce438d931b946a496d21c3c45d3b89dc2f",
        "source_modified_at": "2024-11-13T02:34:30Z",
        "source_release_id": "prod-9af2257190a74cf6aa77c59d3dfb7d53-9c3320ccbf2b3a4f99fcd142d0ba47a1",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4107785",
        "supplier_name": "EPI-USE Australia Ply Limited",
        "title": "ABS2024.021"
      },
      {
        "agency_name": "Australian Bureau of Statistics",
        "category_code": "81162000",
        "contract_end_date": "2027-06-30",
        "contract_id": "CN4107785",
        "contract_start_date": "2024-11-13",
        "currency": "AUD",
        "description": "Payroll services",
        "notice_id": "CN4107785-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/537403a3-a72d-490b-905c-97bc5abbed1d",
        "procurement_method": "Open tender",
        "reported_value": "4548270.00",
        "source_hash": "5d3c25a560a8b649a279b09ee8b186f30c96940d88a4dc7fb4e06ca17ea55687",
        "source_modified_at": "2025-07-24T23:02:55Z",
        "source_release_id": "prod-9af2257190a74cf6aa77c59d3dfb7d53-aa3822248f3b3132bdba08046dfd1e02",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4107785",
        "supplier_name": "EPI-USE Australia Ply Limited",
        "title": "ABS2024.021"
      }
    ]
  },
  "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"
  }
}