New South Wales Objections and Appeals Laws (2026)
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Sourced from Commonwealth Acts of Parliament, federal regulations, and official government guidance. State-level information reflects each state's own Acts and court decisions. Written in plain language for general understanding — this is educational content, not legal advice. Our editorial standards
What is this right?
If you disagree with an ATO decision — an amended assessment, a penalty, a private ruling — the formal route is an objection under Part IVC of the Taxation Administration Act 1953.
The window: lodge within 60 days of receiving the notice. For some private rulings and certain other decisions, the period stretches to 4 years. The objection must be in writing, explain why the decision is wrong, and attach the evidence.
An independent officer who wasn't part of the original decision reviews your objection and issues a written objection decision. That separation of personnel is the procedural safeguard.
Unhappy with the objection decision? You can apply for external review by the Administrative Review Tribunal (ART) — successor to the AAT — or appeal to the Federal Court of Australia. You usually have 60 days from the objection decision date. The ART is cheaper, less formal, and built for self-represented taxpayers; the Federal Court is the route when you need binding precedent.
When does it apply?
This applies whenever the ATO makes a decision that affects your tax position and you disagree with it.
- This includes amended assessments, penalties, interest charges, private rulings, and GST decisions.
- You must act within 60 days of receiving the ATO's notice.
- Late objections may be accepted if you can show exceptional circumstances.
What to Do If You Disagree with an ATO Tax Decision in Australia
- Lodge your objection within 60 days — do not miss this deadline.
- Put your objection in writing using the ATO's approved form or a detailed letter.
- State clearly why you disagree and attach supporting documents, receipts, or legal arguments.
- Consider getting help from a registered tax agent or tax lawyer, especially for complex matters.
- If your objection is rejected, decide whether to apply to the AAT (lower cost) or the Federal Court (binding precedent).
- Request a payment deferral while your objection is being considered, so you are not forced to pay the disputed amount.
What should you NOT do?
- Don't let the 60-day deadline pass — late objections are only accepted in rare cases.
- Don't assume phoning the ATO is an objection — it must be lodged in writing.
- Don't stop paying undisputed amounts — interest continues to accrue on any outstanding balance.
- Don't rely on the same arguments without new evidence if your first objection was rejected.
- Don't ignore an objection decision — if you miss the 60-day window for external review, you lose that right.
How New South Wales differs from federal law
For federal taxes, the ATO objection and appeal pathway is consistent across Australia. For NSW state taxes, objections are made to the Chief Commissioner of State Revenue and appeals lie to NCAT or the NSW Supreme Court.
- Objections to Revenue NSW assessments (payroll tax, land tax, stamp duty) must be lodged in writing with the Chief Commissioner of State Revenue within 60 days of the assessment notice (Taxation Administration Act 1996 (NSW), s 86).
- If your objection is disallowed, you can appeal to the NSW Civil and Administrative Tribunal (NCAT) Administrative and Equal Opportunity Division, or directly to the NSW Supreme Court (s 96).
- NCAT provides a less formal and less costly forum than the Supreme Court for tax disputes. Legal representation is permitted but not required.
- For federal tax disputes, the pathway is: internal review by the ATO, then objection, then appeal to the Administrative Appeals Tribunal (AAT) or the Federal Court. This is the same in NSW as in all other states.
Additional Steps in New South Wales
Lodge state tax objections through Revenue NSW (revenue.nsw.gov.au) within 60 days. For federal tax objections, use the ATO objection form (available on myGov or through your tax agent). NCAT applications can be lodged online at ncat.nsw.gov.au.
Relevant Law: Taxation Administration Act 1996 (NSW), Part 10; Civil and Administrative Tribunal Act 2013 (NSW); Taxation Administration Act 1953 (Cth), Part IVC
Common Questions
What is the objections and appeals right in Australia?
If you disagree with an ATO decision — an amended assessment, a penalty, a private ruling — the formal route is an objection under Part IVC of the Taxation Administration Act 1953.The window: lodge within 60 days of receiving the notice. For some private rulings and certain other decisions, the period stretches to 4 years. The objection must be in writing, explain why the decision is wrong, and attach the evidence.An independent officer who wasn't part of the original decision reviews your objection and issues a written objection decision. That separation of personnel is the procedural safegua...
When does objections and appeals apply?
This applies whenever the ATO makes a decision that affects your tax position and you disagree with it.This includes amended assessments, penalties, interest charges, private rulings, and GST decisions.You must act within 60 days of receiving the ATO's notice.Late objections may be accepted if you can show exceptional circumstances.
What should I do if I disagree with an ATO assessment or penalty decision in Australia?
Lodge your objection within 60 days — do not miss this deadline.Put your objection in writing using the ATO's approved form or a detailed letter.State clearly why you disagree and attach supporting documents, receipts, or legal arguments.Consider getting help from a registered tax agent or tax lawyer, especially for complex matters.If your objection is rejected, decide whether to apply to the AAT (lower cost) or the Federal Court (binding precedent).Request a payment deferral while your objection is being considered, so you are not forced to pay the disputed amount.
What mistakes should I avoid with objections and appeals?
Don't let the 60-day deadline pass — late objections are only accepted in rare cases.Don't assume phoning the ATO is an objection — it must be lodged in writing.Don't stop paying undisputed amounts — interest continues to accrue on any outstanding balance.Don't rely on the same arguments without new evidence if your first objection was rejected.Don't ignore an objection decision — if you miss the 60-day window for external review, you lose that right.
Objections and Appeals in other states
Same topic, different jurisdiction. Pick the one that applies to you.