TaxBench-AU Copyright (c) 2026 The TaxBench-AU authors This product references public Australian Taxation Office (ATO) materials, including web guides, worked examples, tax rates, and rule pages used to ground Australian tax calculation questions. ATO materials are © Australian Taxation Office for the Commonwealth of Australia and are subject to the ATO's published copyright terms. Dataset items cite source URLs and legal references for auditability. The public questions use changed names, changed numbers, or derived edge cases rather than republishing verbatim ATO worked examples. This repository does not redistribute bulk ATO source documents. Researchers must verify source material directly with the ATO under the ATO's published terms: https://www.ato.gov.au/law/ This project is not affiliated with, endorsed by, or sponsored by the Australian Taxation Office, the Commonwealth of Australia, or the Tax Practitioners Board. Inclusion of an ATO source identifier in a benchmark item does not imply ATO endorsement of any system that scores well or poorly on the benchmark. Licences: Benchmark items, documentation, and metadata — CC BY 4.0 (LICENSE-CC-BY-4.0) Source code (verifier.py and supporting code) — MIT (LICENSE-MIT) ATO source materials (URLs and referenced rules) — © ATO; see above.