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Team Members

Sarah Lancaster

Sarah acts for and advises clients in a range of disputes with the ATO, QRO and Customs. Drawing on her experience in commercial litigation, she focuses on providing clients with practical, timely and cost effective strategies.

Sarah provides advice and acts for clients in a variety of disputes with the Australian Tax Office and Queensland Revenue Office. She also acts for clients in a range of customs disputes.

Sarah’s technical experience includes representing taxpayers in disputes involving, income tax, international tax, GST, payroll tax, stamp duty and customs duty. Drawing on a background in commercial litigation, Sarah brings particular experience in evidentiary issues relevant to disputes when acting for clients during the audit and objection processes and appeals to the Administrative Appeals Tribunal, Queensland Civil and Administrative Tribunal, Supreme Court of Queensland and Federal Courts.

  • Bachelor of Laws (Hons) – Griffith University
  • Bachelor of Psychological Science – Griffith University
  • Graduate Diploma of Legal Practice – College of Law
  • Solicitor – Supreme Court of Queensland, High Court of Australia.
  • Successfully resolving Tribunal and Court appeals for taxpayers on issues relating to income tax (including international tax and residency disputes), landholder duty, payroll tax and GST.
  • Negotiating terms of settlements before assessments are issued during the course of income tax and superannuation audits.
  • Assisting taxpayers in preparing notices of objections and supporting evidence to ATO and QRO assessments.
  • Advising and representing clients in appeals of decisions made by the ATO and QRO in the AAT, QCAT, Federal Court and Supreme Court.
  • Assisting individuals in disputes with the ATO about their residency status.
  • Advising and acting for companies and individuals in ATO summary prosecutions.
  • Acting for and representing clients in Supreme Court and District Court debt recovery actions commenced by the ATO.
  • Advising directors in relation to director penalty notices.
  • Acting for clients in negotiations with the ATO involving arrangements to pay various tax debts by instalments and the remission of general interest charge.
  • Assisting private business and high net worth individuals to respond to ATO reviews and audits.
  • Acting for companies and individuals in winding up and bankruptcy proceedings commenced by the ATO.

Areas of Expertise


Podcast: TaxLand with Fletch and Sarah – Payroll tax and mortgage brokers – what happened in Loan Market Group?

In this episode of TaxLand, Fletch and Sarah talk about the recent decision in Loan Market Group Pty Ltd v Chief Commissioner of State Revenue [2024] NSWSC 390 that dealt with the relevant contract provisions in the context of mortgage brokers. We also look at what consequences that may have for medical practices.

Podcast: TaxLand with Fletch and Sarah – 2024 tax time – getting your trust resolutions right before 30 June

In this episode of TaxLand with Fletch and Sarah, we welcome our very first special guest, Linda Tapiolas, who will join us on a journey through the issues you need to consider to get your trust resolutions right.

Podcast: TaxLand with Fletch and Sarah – 2024 tax time – tax issues for testamentary trusts and deceased estates

In this episode of TaxLand, Fletch Heinemann and Sarah Lancaster discuss tax issues for deceased estates and testamentary trusts, including the Commissioner’s discretion to tax testamentary trusts and deceased estates under section 99 rather than section 99A. Travel to TaxLand with us to learn more.