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S-009 · case-file v0.4.0 · coded 2026-04-21

Robodebt

Australian automated debt-raising scheme found unlawful by the Federal Court and a Royal Commission

Jurisdiction
Australia (Commonwealth)
Period
July 2016 – November 2019
System
Online Compliance Intervention (income-averaging debt calculation)
Deployed by
Commonwealth of Australia — Department of Human Services (now Services Australia), Department of Social Services, with Australian Taxation Office data
Type of system
Fixed rules — rule-based arithmetic (no machine learning)
Case state
Concluded — unlawful; settlements paid; deaths recorded on the public record are irreversible

Severity, by dimension

LIBLibertyDIGDignityEMPEmploymentFAMFamilyHOUHousingHEAHealthREPReputation
5967698

Each dimension is scored 0–10 under the coding rules. INS = insufficient evidence; SUSP = suspected but not measurable. Dimensions are never summed.

Summary

Between July 2016 and November 2019 the Australian Government ran an automated debt-raising scheme, known operationally as the Online Compliance Intervention. Annual income reported to the tax office was averaged across 26 fortnights and compared with the fortnightly income people had declared to the welfare system; any difference triggered a debt letter, with the burden of proof shifted to the recipient. The calculation was plain rule-based arithmetic, with no machine learning — and it was unlawful, because averaged income cannot prove a debt under the Social Security Act 1991.

Scale

About 433,000 people were affected and 470,000 debt notices issued; 381,000 people had money wrongly recovered from them, totalling A$751 million. A$1.73 billion in debts was raised in total.

Findings

The Federal Court (Prygodicz v Commonwealth (No 2), 11 June 2021) approved a settlement and found that the averaging method did not support lawful debts. The Royal Commission's final report (7 July 2023) found the scheme unlawful and made 57 recommendations. The Australian Public Service Commission referred 16 officers, 12 of whom were found to have breached the Code of Conduct across 97 instances. The National Anti-Corruption Commission found corrupt conduct by two senior officials but insufficient admissible evidence for criminal prosecution.

Remedy

Relief under the 2021 settlement was valued at A$1.872 billion, followed by an additional Commonwealth settlement of about A$475 million in 2024. Seven families connected a relative's death to the scheme on the Royal Commission's public record; this harm cannot be remedied. Health effects are recorded only at the aggregate level of that public record.

Key sources

  1. Royal Commission into the Robodebt Scheme — Report (2023)primary
  2. Prygodicz v Commonwealth of Australia (No 2) [2021] FCA 634primary
  3. Commonwealth Ombudsman — Centrelink's automated debt raising and recovery system (April 2017)primary
  4. Senate Community Affairs References Committee — report (2017)primary
  5. Australian Public Service Commissioner — Robodebt Code of Conduct inquiry outcomesprimary
  6. National Anti-Corruption Commission — investigation report on Robodebt referralsprimary

The full case-file holds the complete source list and claims matrix. Corrections: see Colophon.

Cite this record

The Witnessed Sentence (2026). S-009: Robodebt — Australian automated debt-raising scheme found unlawful by the Federal Court and a Royal Commission. Case-file v0.4.0, coded 2026-04-21. https://witnessedsentence.org/cases/s-009/

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