simplelex/ATO-Australian-Tax-Law-Dataset

ATO Tax Legal Rulings — Structured AI Dataset

Australian tax law dataset — ATO Interpretative Decisions, public rulings, determinations, practical compliance guidelines, and taxpayer alerts, plus the full text and amendment history of the ATO-administered Acts (ITAA 1997, ITAA 1936, GST Act, TAA 1953 and more) sourced from the Federal Register of Legislation — structured for legal RAG, LLM fine-tuning, and tax research automation. 60,000+ ATO documents as RAG-ready NDJSON/CSV.

Machine-readable extracts of Australian Tax Office (ATO) legal documents, scraped from the ATO Legal Database. Each row is one ruling, decision, or guideline — fully parsed into structured columns (CSV) or JSON fields (NDJSON), with all multi-value entries pipe-delimited for downstream NLP, RAG ingestion, and legal AI over Australian tax law (ITAA 1997, ITAA 1936, GST Act).

The dataset also includes a legislation layer built from the Federal Register of Legislation: the principal ATO-administered Acts split into one row per provision, a reconstructed per-section amendment history from Crown-copyright FRL endnotes).

File formats

Each dataset is published in two parallel files with identical content and field order:

Format	Filename pattern	Best for
CSV (UTF-8)	<dataset>.csv	Pandas, spreadsheets, SQL bulk-load
NDJSON / JSON Lines	<dataset>.jsonl	datasets.load_dataset(), streaming, jq, DuckDB, RAG ingestion

JSON keys are identical to CSV column names — the schema tables below describe both formats.

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Contents

• Dataset Splits
• Quick Start
• Schema
  • Edited Private Advice
  • ATO Interpretative Decisions
  • Public Rulings & Determinations
  • Practical Compliance Guidelines
  • Taxpayer Alerts
  • Decision Impact Statements
  • Law Administration Practice Statements
  • Legislative Instruments
  • Principal Legislation
  • Legislation Amendment History
  • Legislation + History Notes
• Use Cases
• Limitations
• Support the Project
• Source & Licensing
• Citation
• Terms of Service

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Dataset Splits

Split	Document Type	Est. Documents	Coverage	CSV file	NDJSON file
edited_private_advice	Edited Private Advice (EPA) — all years in one file	~50,000	2011–present	edited_private_advice_all.csv	edited_private_advice_all.jsonl
ato_interpretative_decisions	ATO Interpretative Decisions (ATO ID)	~10,000	All years	ato_interpretative_decisions.csv	ato_interpretative_decisions.jsonl
public_rulings	Public Rulings & Determinations	~5,500	All years	public_all.csv	public_all.jsonl
practical_compliance_guidelines	Practical Compliance Guidelines (PCG)	~110	All years	practical_compliance_guidelines.csv	practical_compliance_guidelines.jsonl
taxpayer_alerts	Taxpayer Alerts (TA) — ATO's early-warning watch list	~150	2002–present	taxpayer_alerts_all.csv	taxpayer_alerts_all.jsonl
decision_impact_statements	Decision Impact Statements (DIS) — ATO's response to court rulings	~555	2006–present	decision_impact_statements_all.csv	decision_impact_statements_all.jsonl
law_admin_practice_statements	Law Administration Practice Statements (PS LA)	~500	All years	law_admin_practice_statements_all.csv	law_admin_practice_statements_all.jsonl
legislative_instruments	Legislative Instruments (OPS) — instruments, determinations, and notices made under tax legislation	~950	All years	legislative_instruments_all.csv	legislative_instruments_all.jsonl
frl_principal_legislation	Principal legislation — current text of every section of the 22 ATO-administered Acts (ITAA 1997/1936, GST, FBTAA, TAA, super, fuel tax…)	~10,000 sections	Current compilation	frl_principal_legislation_all.csv	frl_principal_legislation_all.jsonl
frl_legislation_history	Amendment history — one row per amendment event (which provision, what action, which amending Act, commencement date)	~43,000 events	1986–present	frl_legislation_history_all.csv	frl_legislation_history_all.jsonl
frl_legislation_with_history	Legislation + history notes — each section joined to its chronological amendment history (the ATO "see history notes" view, rebuilt from FRL)	~10,000 sections	Current + history	frl_legislation_with_history_all.csv	frl_legislation_with_history_all.jsonl

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Quick Start

Option A — NDJSON via datasets (recommended for ML)

from datasets import load_dataset

# Use a named config — viewer-friendly, strongly typed schema
ds = load_dataset(
    "simplelex/ATO-Australian-Tax-Law-Dataset",
    "edited_private_advice",
    split="train",
)
print(ds[0])

# Available configs: edited_private_advice · ato_interpretative_decisions · public_rulings
#   practical_compliance_guidelines · taxpayer_alerts · decision_impact_statements
#   law_admin_practice_statements · legislative_instruments · frl_principal_legislation
#   frl_legislation_history · frl_legislation_with_history

Option B — NDJSON via pandas

import pandas as pd

df = pd.read_json("edited_private_advice_all.jsonl", lines=True)
active = df[df["Is_Archived"] == False]
print(active[["Authorisation_Number", "Subject", "Date_of_Advice"]].head())

Option C — CSV via pandas

import pandas as pd

df = pd.read_csv("edited_private_advice_all.csv")
active = df[df["Is_Archived"] == False]
print(active[["Authorisation_Number", "Subject", "Date_of_Advice"]].head())

Multi-value fields (legislative references, ruling periods, related documents) use | as the internal delimiter in both formats:

# Explode pipe-delimited legislative references into one row per provision
provisions = (
    active["Relevant_Legislative_Provisions"]
    .str.split(" | ")
    .explode()
    .str.strip()
    .value_counts()
)
print(provisions.head(10))

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Schema

The column tables below apply to both the CSV and NDJSON variants — every CSV column maps 1:1 to a JSON key of the same name in the corresponding .jsonl file, in the same order.

Encoding conventions

Convention	Detail
Multi-value delimiter	| (space-pipe-space) within a single cell / string field
Empty values	Empty string "" — never NULL, N/A, or JSON null
Booleans	True / False in CSV; same as JSON string values in NDJSON (the scrapers emit them as strings for round-trip parity with the CSV)
Dates	Verbatim as published by the ATO — no normalisation

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1. Edited Private Advice (edited_private_advice)

Private rulings issued to individual taxpayers, anonymised and edited for publication.

Column	Type	Nullable	Description
Authorisation_Number	string	No	Primary key. ATO-assigned identifier, e.g. 1-2ABCDEF.
Date_of_Advice	string	Yes	Date the private advice was issued, e.g. 1 July 2024. Blank for older documents.
Subject	string	Yes	Single-sentence topic description, e.g. Capital gains tax — main residence exemption.
Ruling	string	Yes	All Q&A pairs concatenated: Q1: [text] | A1: [text] | Q2: [text] | A2: [text].
Ruling_Period	string	Yes	Income years the ruling applies to: Year ending 30 June 20XX | Year ending 30 June 20XX.
Date_Scheme_Commenced	string	Yes	Date the relevant arrangement commenced. Blank when not stated.
Relevant_Facts_and_Circumstances	string	Yes	Full facts section, collapsed to single-space prose.
Relevant_Legislative_Provisions	string	Yes	Act/section references, e.g. ITAA 1997 s104-10 | ITAA 1997 s116-20.
Reasons_for_Decision	string	Yes	Summary plus all sub-headings: Summary: [text] | Detailed Reasoning - [Sub-heading]: [text].
Is_Archived	boolean	No	True if the document carries an archival disclaimer.
Source_URL	string	No	Full URL, e.g. https://www.ato.gov.au/law/view/document?docid=AEA/1-2ABCDEF.
Unmatched_Content	string	Yes	Fallback capture: any article text not claimed by the structured fields (new/changed page formats), |-joined. Usually empty.

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2. ATO Interpretative Decisions (ato_interpretative_decisions)

Edited summaries of Tax Office internal decisions, released under FOI obligations.

Column	Type	Nullable	Description
ATO_ID_Number	string	No	Primary key, e.g. ATO ID 2010/101.
Status	string	Yes	FOI/editorial status note as published.
Title	string	Yes	Short title of the decision.
Issue	string	Yes	The question put to the ATO.
Decision	string	Yes	The ATO's answer.
Facts	string	Yes	Relevant facts and circumstances.
Reasons_for_Decision	string	Yes	Reasoning supporting the decision.
Date_of_Decision	string	Yes	Date the decision was made, e.g. 2010/06/15.
Year_of_Income	string	Yes	Income year to which the decision relates.
Legislative_References	string	Yes	Pipe-separated act/section references.
Related_Public_Rulings_and_Determinations	string	Yes	Related TR/TD/IT references, pipe-separated.
Related_ATO_Interpretative_Decisions	string	Yes	Related ATO ID numbers, pipe-separated.
Subject_References	string	Yes	ATO subject taxonomy tags, pipe-separated.
Case_References	string	Yes	Court/tribunal cases cited, full citation text preserved.
Other_References	string	Yes	Explanatory memoranda, dictionaries and other external citations.
Business_Line	string	Yes	ATO business line that issued the decision.
Is_Archived	boolean	No	True if the document is archived/superseded.
Source_URL	string	No	Full URL, e.g. https://www.ato.gov.au/law/view/document?docid=AID/2010/101.
Unmatched_Content	string	Yes	Fallback capture: any article text not claimed by the structured fields (new/changed page formats), |-joined. Usually empty.

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3. Public Rulings & Determinations (public_rulings)

Binding public rulings (TR, TD, IT, CR, PR) and legislative instruments issued by the Commissioner.

Column	Type	Nullable	Description
Document_Reference	string	No	Primary key, e.g. TR 2024/1.
Document_Type	string	No	Full type name, e.g. Ruling, Determination.
Document_Type_Code	string	No	Short code: TR, TD, IT, CR, PR, etc.
Title	string	Yes	Full document title.
Status	string	Yes	Final, Draft, Withdrawn.
Date_of_Issue	string	Yes	Publication date, e.g. 1 July 2024.
Date_of_Effect	string	Yes	Date from which the ruling applies.
Date_of_Withdrawal	string	Yes	Withdrawal date, if applicable.
Withdrawal_Notice	string	Yes	Full text of the Withdrawal / Notice of Withdrawal block (what was withdrawn and when); often the only record of the withdrawal date/reason when Date_of_Withdrawal is blank.
What_This_Ruling_Is_About	string	Yes	Scope statement from the document.
Class_of_Entities_or_Scheme	string	Yes	Who or what the ruling applies to.
Ruling	string	Yes	The operative ruling paragraphs.
Examples	string	Yes	Worked examples from the ruling.
Appendix_Explanation	string	Yes	Explanatory appendix text.
Other_Appendices	string	Yes	Any additional appendices.
Previous_Rulings	string	Yes	Documents this ruling replaces, pipe-separated.
Related_Rulings	string	Yes	Related ATO publications, pipe-separated.
Compendium_Reference	string	Yes	Cross-reference to the document's Compendium (Early Commentary) doc, e.g. TR 2021/2EC.
Legislative_References	string	Yes	Act/section references, pipe-separated.
Case_References	string	Yes	Court/tribunal cases cited, pipe-separated.
Subject_References	string	Yes	ATO subject taxonomy tags, pipe-separated.
ATO_References	string	Yes	Internal ATO reference numbers.
Other_References	string	Yes	Explanatory memoranda, dictionaries and external citations (distinct from the ATO file numbers in ATO_References).
Is_Withdrawn	boolean	No	True if the ruling has been withdrawn.
Source_URL	string	No	Full URL, e.g. https://www.ato.gov.au/law/view/document?docid=TR/TR_2024/1.
Unmatched_Content	string	Yes	Fallback capture: any article text not claimed by the structured fields (new/changed page formats), |-joined. Usually empty.

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4. Practical Compliance Guidelines (practical_compliance_guidelines)

Guidelines explaining how the ATO will administer specific areas of tax law, including safe harbours.

Column	Type	Nullable	Description
PCG_Number	string	No	Primary key, e.g. PCG 2020/2.
Document_Type	string	No	Final PCG (published), Draft PCG (formal draft), or Compendium (EC / Early Commentary consultation draft).
Title	string	Yes	Full document title.
Status	string	Yes	Current (default for published PCGs), Draft (draft and EC consultation docs), or Withdrawn.
Date_of_Issue	string	Yes	Publication date.
Date_of_Effect	string	Yes	Date from which the guideline applies.
Date_of_Withdrawal	string	Yes	Withdrawal date, if applicable.
Replaces	string	Yes	Predecessor document(s), e.g. PS LA 2011/18.
Related_Rulings_and_Determinations	string	Yes	Related ATO publications, pipe-separated.
Legislative_References	string	Yes	Act/section references, pipe-separated.
Other_References	string	Yes	Explanatory memoranda, dictionaries and external citations.
Summary	string	Yes	One-paragraph executive summary.
Purpose_and_Scope	string	Yes	Who the guideline applies to and why.
Background	string	Yes	Context and policy history.
Compliance_Approach	string	Yes	The ATO's stated enforcement stance, including safe harbour thresholds.
Examples	string	Yes	Worked examples from the document.
Appendices	string	Yes	Appendix content.
Other_Sections	string	Yes	Any additional named sections.
Compendium_Reference	string	Yes	Reference to associated ruling compendium, if any.
Is_Archived	boolean	No	True if the document is archived.
Is_Draft	boolean	No	True for Draft PCG and Compendium (EC / Early Commentary) docs; False for finalized PCGs.
Source_URL	string	No	Full URL, e.g. https://www.ato.gov.au/law/view/document?docid=PCG/PCG_2020/2.
Unmatched_Content	string	Yes	Fallback capture: any article text not claimed by the structured fields (new/changed page formats), |-joined. Usually empty.

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5. Taxpayer Alerts (taxpayer_alerts)

The ATO's early-warning notices about tax avoidance schemes currently under review. High practitioner value: warns clients away from flagged arrangements before audit action begins.

Column	Type	Nullable	Description
Alert_Number	string	No	Primary key, e.g. TA 2026/1.
Title	string	Yes	Full descriptive title of the alert.
Date_of_Issue	string	Yes	Date issued, e.g. 14 January 2026. Blank when not stated.
Status	string	Yes	Current or Withdrawn.
Overview	string	Yes	Opening paragraphs describing the scheme, joined with |.
Description	string	Yes	Detailed description of the arrangement.
Example	string	Yes	Illustrative example, if included.
Our_Concerns	string	Yes	The ATO's specific legal concerns.
What_ATO_Is_Doing	string	Yes	Current ATO investigation or action status.
What_You_Should_Do	string	Yes	Practitioner guidance on how to respond.
Related_Documents	string	Yes	Pipe-separated document and legislative references from inline links.
Is_Withdrawn	boolean	No	True if the alert has been withdrawn.
Source_URL	string	No	Full document URL.
Unmatched_Content	string	Yes	Fallback capture: any article text not claimed by the structured fields (new/changed page formats), |-joined. Usually empty.

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6. Decision Impact Statements (decision_impact_statements)

The ATO's official response to court and tribunal decisions — whether it accepts the outcome, is appealing, or will update its public guidance. Critical for practitioners: a favourable court ruling means nothing if the ATO is going to the High Court.

Column	Type	Nullable	Description
Case_Name	string	No	Full case citation, e.g. Commissioner of Taxation v Bendel [2025] FCAFC 15.
Venue_Reference_No	string	Yes	Court file number, e.g. VID 903 of 2023.
Venue	string	Yes	Court or tribunal, e.g. Full Federal Court.
Judgment_Date	string	Yes	Date of judgment, e.g. 19 February 2025.
Date_Published	string	Yes	Date the DIS was published by the ATO.
Document_Type	string	No	Decision Impact Statement or Interim Decision Impact Statement.
Decision_Outcome	string	Yes	Court/tribunal result from the "Decision Outcome" section, e.g. Adverse Full Federal Court decision.
Summary_of_Decision	string	Yes	ATO's summary of what the court decided.
Overview_of_Facts	string	Yes	Factual background to the case.
Issues_Decided	string	Yes	Issues concatenated: Issue 1 – [topic]: [text] | Issue 2 – [topic]: [text].
ATO_View_of_Decision	string	Yes	The critical field — ATO's acceptance, appeal status, and guidance implications.
Administrative_Treatment	string	Yes	How the ATO will handle pending cases and objections.
Related_Documents	string	Yes	Pipe-separated document and legislative references.
Legislative_References	string	Yes	Legislative-references block (Acts plus section numbers, full text).
Case_References	string	Yes	Case-references block — full case citations including case-name text.
Subject_References	string	Yes	ATO subject-keyword taxonomy (not present in Related_Documents).
Other_References	string	Yes	Explanatory memoranda and external citations (distinct from the linked Related_Documents).
Is_Interim	boolean	No	True if this is an interim statement (appeal pending).
Source_URL	string	No	Full document URL.
Unmatched_Content	string	Yes	Fallback capture: any article text not claimed by the structured fields (new/changed page formats), |-joined. Usually empty.

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7. Law Administration Practice Statements (law_admin_practice_statements)

Internal ATO instructions to officers on how to apply the law in practice. Not legally binding on taxpayers but widely cited in audit correspondence and objection letters — practitioners use them to predict and contest ATO positions.

Column	Type	Nullable	Description
Statement_Reference	string	No	Primary key, e.g. PS LA 2026/1.
Title	string	Yes	Subject line of the statement.
Date_of_Issue	string	Yes	Date issued.
Date_of_Effect	string	Yes	Date from which the statement applies.
Document_Type	string	No	Law Administration Practice Statement, Draft Law Administration Practice Statement, or Law Administration Practice Statement (GA).
Has_Compendium	boolean	No	True if a compendium exists for this statement.
Body	string	Yes	All numbered sections concatenated: 1. [Heading]: [text] | 2. [Heading]: [text] | ….
Related_Documents	string	Yes	Pipe-separated document and legislative references from inline links.
Related_Practice_Statements	string	Yes	PS LA → PS LA cross-references from the "Related Practice Statements" block, split out of the mashed Related_Documents.
Legislative_References	string	Yes	References from the Legislative References: block at end of page.
Subject_References	string	Yes	ATO subject-keyword taxonomy from the Subject References block.
Other_References	string	Yes	Explanatory memoranda, charters, dictionaries and external citations.
Is_Draft	boolean	No	True if this is a draft statement.
Is_Withdrawn	boolean	No	True if the statement has been withdrawn.
Source_URL	string	No	Full document URL.
Unmatched_Content	string	Yes	Fallback capture: any article text not claimed by the structured fields (new/changed page formats), |-joined. Usually empty.

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8. Legislative Instruments (legislative_instruments)

Legislative instruments, determinations, and notices made by the Commissioner under tax and related legislation. Registered on the Federal Register of Legislation (FRLI). Includes current instruments, repealed instruments, and drafts for comment.

Column	Type	Nullable	Description
Instrument_Reference	string	No	Primary key, e.g. LI 2024/19, ABRS 2021/1. Parsed from the document H1.
Title	string	Yes	The instrument's formal name as stated in its "Name" section (e.g. Income Tax Assessment (Effective Life of Depreciating Assets) Amendment Determination 2024). Blank for old unstructured documents (e.g. Payment Summary Notices).
Enabling_Act	string	Yes	The empowering legislation, e.g. Income Tax Assessment Act 1997.
Document_Type	string	No	Legislative Instrument, Determination, Data Standard, Framework, or similar as stated in the document body; inferred from heading pattern when not explicit.
Topic_Category	string	Yes	Folder breadcrumb from the ATO tree, e.g. Current > Income tax > Deductions > Motor vehicle expenses.
Date_of_Issue	string	Yes	Date signed by the Commissioner, e.g. 6 June 2024. Blank for some older instruments.
Signatory	string	Yes	Name and title of the signatory, e.g. Ben Kelly Deputy Commissioner of Taxation.
Registration_Number	string	Yes	FRLI registration number, e.g. F2024L00712. Blank for drafts and some repealed documents.
Registration_Date	string	Yes	Date registered on the FRLI, e.g. 10 June 2024. Blank for drafts and some repealed documents.
Body	string	Yes	All numbered sections concatenated: 1 Name: [text] | 2 Commencement: [text] | …. Falls back to all paragraph text (|-delimited) for unstructured documents with no numbered sections.
Related_Explanatory_Statements	string	Yes	Pipe-separated references to associated explanatory statements or other related documents.
Is_Draft	boolean	No	True for documents under the "Drafts for comment" folder.
Is_Repealed	boolean	No	True for documents under the "Repealed or archived" folder.
Repeal_Replacement_Note	string	Yes	Repeal/replacement relationship sentence(s), e.g. This legislative instrument repeals STP 2018/2 … — the what/by-what the Is_Repealed boolean omits.
Source_URL	string	No	Full document URL. Resume key.
Unmatched_Content	string	Yes	Fallback capture: any article text not claimed by the structured fields (new/changed page formats), |-joined. Usually empty.

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9. Principal Legislation (frl_principal_legislation)

Current in-force text of every section of the 22 principal Acts the ATO administers — ITAA 1997 & 1936, the GST/LCT/WET Acts, FBTAA, the Taxation Administration Act, the superannuation Acts, the Fuel Tax Act, PRRTAA, the Tax Agent Services Act and more. Sourced from the Federal Register of Legislation (legislation.gov.au), Crown copyright, reused under CC BY 4.0. One row per provision.

Column	Type	Nullable	Description
Act_Short_Name	string	No	Short code, e.g. ITAA1997, FBTAA, GST.
Act_Title	string	No	Full Act title, e.g. Income Tax Assessment Act 1997.
Act_Year	int	No	Year of the Act.
Act_FRL_Id	string	No	FRL series id, e.g. C2004A05138.
Compilation_PiT	string	No	Compilation point-in-time; latest for the current compilation.
Provision	string	No	Section label, e.g. s 6-5, s 136.
Provision_Key	string	No	Normalised join key to the history datasets (s 6-5→s6-5).
Heading	string	Yes	Section heading, e.g. Income according to ordinary concepts (ordinary income).
Text	string	Yes	Full operative text (subsections/notes/tables concatenated). * marks defined terms (FRL convention). Genuinely empty for reserved/"Map of…" navigational sections.
Source_URL	string	No	https://www.legislation.gov.au/{Act_FRL_Id}/latest/text#{provision}.

10. Legislation Amendment History (frl_legislation_history)

One row per amendment event: which provision changed, the action taken, the amending Act, and when it commenced. Reconstructed from FRL compilation endnotes (Crown copyright, CC BY 4.0)

Column	Type	Nullable	Description
Act_Short_Name / Act_Title / Act_Year / Act_FRL_Id	—	No	Identify the principal Act.
Provision	string	No	Provision affected, e.g. s 5B.
Provision_Key	string	No	Normalised key; joins to the principal dataset.
Action_Code	string	Yes	Raw code: am amended, ad added/inserted, rep repealed, rs repealed & substituted.
Action	string	No	Expanded verb, e.g. Amended, Inserted, Repealed.
Amending_Act_Number	int	No	Number of the amending Act.
Amending_Act_Year	int	No	Year of the amending Act.
Amending_Act_FRL_Id	string	Yes	FRL id of the amending Act, e.g. C2013A00124.
Amending_Item	string	Yes	Schedule item that made the change, e.g. Sch 11 item 10 (best-effort).
Commencement	string	Yes	Commencement detail, e.g. Sch 11 (items 10-25, 27): 30 June 2013.
Application_Saving_Transitional	string	Yes	Application/saving/transitional text where present.
History_Note	string	No	Reconstructed note, e.g. Amended by No 124 of 2013, effective 30 June 2013.
Source_URL	string	No	Stable per-event URL (resume key).

11. Legislation + History Notes (frl_legislation_with_history)

The flagship FRL dataset. A left-join of #9 and #10 on (Act, Provision_Key) — one row per current section, carrying its full text AND its complete chronological amendment history. This rebuilds the ATO Legal Database's "see history notes" view from freely-licensed FRL data.

Column	Type	Nullable	Description
Act_Short_Name / Act_Title / Act_Year / Act_FRL_Id	—	No	Identify the principal Act.
Provision / Provision_Key / Heading / Text	—	—	The current section text (as in #9).
Amendment_Count	int	No	Number of amendment events (0 = never amended).
First_Amended	string	Yes	Earliest amending Act, e.g. No 139 of 1987.
Last_Amended	string	Yes	Most recent amending Act.
Amending_Acts	string	Yes	Distinct amending Acts in order, |-separated.
History_Notes	string	Yes	Chronological reconstructed notes: Amended by No 139 of 1987, effective 18 Dec 1987 | Amended by No 145 of 1995, ….
Source_URL	string	No	The provision's /latest/text#{provision} URL.

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Use Cases

• Fine-tuning tax LLMs — 60,000+ structured Australian tax law documents with rich reasoning fields (Reasons_for_Decision, ATO_View_of_Decision) make ready-made supervised fine-tuning examples for legal and tax domain LLMs; ideal training data for ITAA 1997 and GST Act specialists
• Legal RAG pipelines — each row is a self-contained retrieval unit; chunk on Ruling, Reasons_for_Decision, or Compliance_Approach for high-precision retrieval over Australian tax law; compatible with any vector store or RAG framework
• Tax research automation — query and filter across all ATO document types by Document_Type_Code, Is_Withdrawn, and Date_of_Issue to track policy evolution or surface current binding obligations automatically
• Legal NLP — classification, summarisation, and named-entity recognition on Australian tax law; well-suited to legal-NLP, domain-specific NLP research, and text-retrieval benchmarking
• Legislative graph construction — explode Legislative_References to build provision co-citation networks across ITAA 1997, ITAA 1936, GST Act, and more
• Compliance tooling — filter on Document_Type_Code + Is_Withdrawn == False to surface current binding obligations; combine with ATO_View_of_Decision in DIS records to identify contested positions
• Temporal legislation models — train/evaluate models on dated amendment events (Commencement, Amending_Act_Year) for legislative change prediction, version diffing, or "law as at date X" retrieval
• Citation with provenance — pair Source_URL + History_Notes so generated tax answers cite the current provision and its amendment lineage and commencement date

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Limitations

• Currency — the ATO Legal Database is checked for new documents every weekday at 11 am AEST; datasets are updated automatically when new documents are detected. ATO documents may still be updated, withdrawn, or replaced between checks. Always verify against the ATO Legal Database for official or time-sensitive purposes.
• Coverage gaps — Edited Private Advice coverage begins in 2011; earlier private advice is not available on the ATO Legal Database. GST Industry Issues (GII) documents are excluded — they lack standard article structure and do not map cleanly to the schema.
• Parsing fidelity — content is extracted from HTML; some older documents (pre-2010) use non-standard markup that may produce blank or truncated fields. Complex tables, diagrams, and attached PDF appendices are not captured.
• Field sparsity — many optional fields (e.g. Date_of_Withdrawal, Date_Scheme_Commenced) are blank for the majority of records, reflecting source documents that simply do not include those details.
• Boolean encoding — Is_Archived, Is_Withdrawn, Is_Draft, and similar flags are stored as the strings "True" / "False" in both CSV and NDJSON for round-trip parity; cast explicitly if your pipeline expects native booleans.
• Australian jurisdiction only — all documents are issued by the Australian Taxation Office and relate exclusively to Australian tax law (ITAA 1997, ITAA 1936, GST Act, and related legislation). This dataset is not suitable as a general-purpose legal corpus for other jurisdictions.
• Not legal advice — this dataset reproduces publicly available ATO materials for informational and research purposes only. It is not a substitute for professional legal or tax advice.

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Support the Project

This dataset is free. If it saves you time on data engineering, a coffee is appreciated:

☕ Buy Me a Coffee

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Source & Licensing

This dataset draws on two official Commonwealth sources, both © Commonwealth of Australia:

• ATO Legal Database (ato.gov.au) — the rulings, advice, determinations, alerts, DIS, PS LA and legislative-instrument datasets. Made available under Creative Commons Attribution 3.0.
• Federal Register of Legislation (legislation.gov.au) — the principal-legislation, amendment-history and history-notes datasets (frl_*). Made available under Creative Commons Attribution 4.0. The history notes are reconstructed in our own wording from the FRL's Crown-copyright compilation endnotes.

Both source licences permit commercial use with attribution. This structured compilation is published by SimpleLex under the same Creative Commons terms.

---

Citation

@dataset{simplelex_ato_rulings_2026,
  author    = {SimpleLex},
  title     = {ATO Tax Legal Rulings — Structured AI Dataset},
  year      = {2026},
  publisher = {Hugging Face},
  url       = {https://huggingface.co/datasets/simplelex/ATO-Australian-Tax-Law-Dataset}
}

---

Terms of Service

Last updated: June 2026

What this product is

The Aussie Tax Legal Database is a structured dataset of publicly available legal documents published by the Australian Taxation Office (ATO) at ato.gov.au. Documents include Edited Private Advice, Public Rulings, Determinations, ATO Interpretive Decisions, Practical Compliance Guidelines, Taxpayer Alerts, Decision Impact Statements, and Law Administration Practice Statements. It also includes the principal Acts the ATO administers, with reconstructed amendment-history notes, sourced from the Federal Register of Legislation (legislation.gov.au). All datasets are compiled into machine-readable CSV and NDJSON format.

Permitted use

You may use this dataset for any lawful purpose, including research, analysis, building applications, and commercial projects. You do not need to ask permission. Attribution is appreciated but not required for the compilation itself.

Source material and copyright

The underlying ATO documents are published under the Creative Commons Attribution 3.0 Australia licence. The legislation datasets (frl_*) derive from the Federal Register of Legislation under the Creative Commons Attribution 4.0 licence; the amendment-history notes are reconstructed from the FRL's Crown-copyright compilation endnotes. The Commonwealth retains copyright in the original materials. This dataset is a structured compilation and does not claim copyright in the original source material.

Not legal or tax advice

Nothing in this dataset constitutes legal or tax advice. Documents are reproductions of publicly available ATO materials provided for informational purposes only. Always consult a registered tax agent or legal professional for advice about your specific situation.

Accuracy and currency

We make no warranties about the completeness, accuracy, or currency of the data. ATO documents may be updated, withdrawn, or replaced after the dataset was last scraped. Always verify against the ATO Legal Database for official or time-sensitive purposes.

No liability

To the maximum extent permitted by Australian law, simplelex accepts no liability for any direct, indirect, or consequential loss arising from use of or reliance on this dataset.

Changes

We may update these terms at any time. Continued use of the dataset following an update constitutes acceptance of the revised terms.