{
  "contract": {
    "agency_name": "Department of Defence",
    "amendment_count": 3,
    "category_code": "72100000",
    "contract_end_date": "2026-06-30",
    "contract_id": "CN3599315",
    "contract_start_date": "2019-06-11",
    "currency": "AUD",
    "current_reported_value": "80435.70",
    "description": "Construction Support Services",
    "events": [
      {
        "absolute_change": "5425758.96",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-d7002293692246bc813c133c021f9650-f885c7fc204731089e8b777cba7840df",
        "after_source_hash": "cb0e43290285811f645832f653b5c01c59612548f76717825f3cecfee4fff027",
        "before_release_id": "prod-d7002293692246bc813c133c021f9650-489d1c20e84f32d49f0723a3b0766882",
        "before_source_hash": "75c7a538a38d81a1167ee559e867cc762dc7d6bcb1d8a41a9ccb56dced31fb6c",
        "contract_id": "CN3599315",
        "detected_at": "2025-07-22T03:54:30Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "0b7b68aa69cb886be198444dc60bd1ab65570237752ee1406d4719da4935d970",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "5500000.00",
        "notice_id": "CN3599315-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/407273d9-0b70-41ff-9a6d-a6fbdc757c78",
        "old_value": "74241.04",
        "percentage_change": "7308.30",
        "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/CN3599315",
        "summary": "Reported contract value increased by $5,425,758.96 (+7308.30%)."
      },
      {
        "absolute_change": "-4950000.00",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-d7002293692246bc813c133c021f9650-4d481556a37635a9a2f8549c9e14e2ed",
        "after_source_hash": "f19655ac121bb5189b104f1046877b63b5f417234b8d29ecff3f23e7dfe80dec",
        "before_release_id": "prod-d7002293692246bc813c133c021f9650-f885c7fc204731089e8b777cba7840df",
        "before_source_hash": "cb0e43290285811f645832f653b5c01c59612548f76717825f3cecfee4fff027",
        "contract_id": "CN3599315",
        "detected_at": "2025-07-22T03:54:30Z",
        "direction": "decrease",
        "duration_change_days": null,
        "event_id": "f222ce68fe3aedaa052f8aa94b0c5580693803a0941ce91d22ba6f3c7f1032e4",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "550000.00",
        "notice_id": "CN3599315-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/575393df-1605-4fef-a669-093f83694e82",
        "old_value": "5500000.00",
        "percentage_change": "-90.00",
        "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/CN3599315",
        "summary": "Reported contract value decreased by $4,950,000.00 (-90.00%)."
      },
      {
        "absolute_change": "-469564.30",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-d7002293692246bc813c133c021f9650-45dd37050e723e34a986539d99fedb91",
        "after_source_hash": "db722ed932735717311475d4fbddb63d00e533648e59c34b714ef09e560ffaef",
        "before_release_id": "prod-d7002293692246bc813c133c021f9650-4d481556a37635a9a2f8549c9e14e2ed",
        "before_source_hash": "f19655ac121bb5189b104f1046877b63b5f417234b8d29ecff3f23e7dfe80dec",
        "contract_id": "CN3599315",
        "detected_at": "2025-07-22T03:54:30Z",
        "direction": "decrease",
        "duration_change_days": null,
        "event_id": "9798d2f6d048990bf14559d4784f6347c43f7387f053738e827387afd8d33558",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "80435.70",
        "notice_id": "CN3599315-A3",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/e2de5354-247b-436a-93b5-2990dada336b",
        "old_value": "550000.00",
        "percentage_change": "-85.38",
        "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/CN3599315",
        "summary": "Reported contract value decreased by $469,564.30 (-85.38%)."
      }
    ],
    "evidence_path": "evidence/CN3599315.json",
    "latest_modified_at": "2025-07-22T03:54:30Z",
    "notice_id": "CN3599315-A3",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/e2de5354-247b-436a-93b5-2990dada336b",
    "original_reported_value": "74241.04",
    "procurement_method": "Open tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN3599315",
    "supplier_name": "THALES AUSTRALIA",
    "title": "4501075281",
    "value_change": "6194.66",
    "value_change_percentage": "8.34",
    "versions": [
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-06-30",
        "contract_id": "CN3599315",
        "contract_start_date": "2019-06-11",
        "currency": "AUD",
        "description": "Construction Support Services",
        "notice_id": "CN3599315",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/b8cdf3c7-e1a3-4f3c-a8bf-88fc1e4be13f",
        "procurement_method": "Open tender",
        "reported_value": "74241.04",
        "source_hash": "75c7a538a38d81a1167ee559e867cc762dc7d6bcb1d8a41a9ccb56dced31fb6c",
        "source_modified_at": "2019-06-13T04:52:53Z",
        "source_release_id": "prod-d7002293692246bc813c133c021f9650-489d1c20e84f32d49f0723a3b0766882",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3599315",
        "supplier_name": "THALES AUSTRALIA",
        "title": "4501075281"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-06-30",
        "contract_id": "CN3599315",
        "contract_start_date": "2019-06-11",
        "currency": "AUD",
        "description": "Construction Support Services",
        "notice_id": "CN3599315-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/407273d9-0b70-41ff-9a6d-a6fbdc757c78",
        "procurement_method": "Open tender",
        "reported_value": "5500000.00",
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        "source_modified_at": "2025-07-22T03:54:30Z",
        "source_release_id": "prod-d7002293692246bc813c133c021f9650-f885c7fc204731089e8b777cba7840df",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3599315",
        "supplier_name": "THALES AUSTRALIA",
        "title": "4501075281"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-06-30",
        "contract_id": "CN3599315",
        "contract_start_date": "2019-06-11",
        "currency": "AUD",
        "description": "Construction Support Services",
        "notice_id": "CN3599315-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/575393df-1605-4fef-a669-093f83694e82",
        "procurement_method": "Open tender",
        "reported_value": "550000.00",
        "source_hash": "f19655ac121bb5189b104f1046877b63b5f417234b8d29ecff3f23e7dfe80dec",
        "source_modified_at": "2025-07-22T03:54:30Z",
        "source_release_id": "prod-d7002293692246bc813c133c021f9650-4d481556a37635a9a2f8549c9e14e2ed",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3599315",
        "supplier_name": "THALES AUSTRALIA",
        "title": "4501075281"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-06-30",
        "contract_id": "CN3599315",
        "contract_start_date": "2019-06-11",
        "currency": "AUD",
        "description": "Construction Support Services",
        "notice_id": "CN3599315-A3",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/e2de5354-247b-436a-93b5-2990dada336b",
        "procurement_method": "Open tender",
        "reported_value": "80435.70",
        "source_hash": "db722ed932735717311475d4fbddb63d00e533648e59c34b714ef09e560ffaef",
        "source_modified_at": "2025-07-22T03:54:30Z",
        "source_release_id": "prod-d7002293692246bc813c133c021f9650-45dd37050e723e34a986539d99fedb91",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3599315",
        "supplier_name": "THALES AUSTRALIA",
        "title": "4501075281"
      }
    ]
  },
  "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"
  }
}