Stamp Duty Audit Insurance

Understanding Stamp Duty Audits and Transaction Compliance

Stamp duty is a state and territory government tax imposed on various transactions, including property transfers, business asset sales, and certain leasing arrangements. Given the high values involved in property and business transactions, state revenue offices—such as Revenue NSW or the State Revenue Office of Victoria—actively audit transactions to ensure the correct amount of stamp duty has been paid.
Stamp duty audits often focus on whether the transaction value has been correctly declared, whether any concessions or exemptions were appropriately claimed, and whether asset transfers between related parties have been under-declared to minimise duty. If discrepancies or omissions are identified, significant penalties and interest can apply.

Defending a stamp duty audit can involve gathering valuations, legal documents, contracts, and evidence of transaction terms, often with the assistance of your accountant or solicitor. Tax audit insurance through AuditCover can cover the professional fees incurred during a stamp duty audit, helping protect businesses and individuals from unexpected costs. Below, we answer key questions about stamp duty audits and how audit insurance provides essential support.

FAQs

Stamp Duty is a state-based tax imposed on certain legal documents and transactions, most commonly on the transfer of property, business assets, or shares. It also applies in many states to lease agreements, trust deeds, and franchise arrangements. Each state and territory in Australia has its own laws, thresholds, exemptions, and rates, making compliance particularly complex—especially for those involved in structuring or transferring high-value assets.
Stamp Duty is often self-assessed, and due to the complexity of state legislation, errors are common. Revenue authorities regularly conduct audits to identify underpaid duty, misclassified transactions, or incorrect use of exemptions. Transactions involving trusts, related-party transfers, or undervalued assets are particularly scrutinised. Audits are usually retrospective and can cover several years, increasing the risk of significant reassessments.
The following groups are most exposed:
  • Property developers and real estate investors
  • Businesses transferring assets across entities
  • Private business buyers and sellers
  • Individuals restructuring trusts or SMSFs
  • Legal, tax, and accounting firms advising on dutiable transactions
For instance, transferring a commercial property from a trust to an individual without a market valuation may raise audit concerns if the transaction is seen as undervalued or if a concession is wrongly claimed.
  • Transfers between related parties at less than market value
  • Incorrect or unsubstantiated use of exemptions or concessions
  • Asset transfers involving trusts or SMSFs without proper declarations
  • Delayed or incomplete lodgement of stamp duty documents
  • Grouping errors in related business entities
State revenue offices often cross-check against property registries, ASIC records, and ATO disclosures to find inconsistencies.
A Stamp Duty reassessment can include:
  • Backdated duty liabilities
  • Penalties for incorrect disclosure
  • Interest charges on underpaid duty
  • Legal or professional costs to dispute the findings
These costs can escalate quickly—especially where a business sale, restructure, or trust distribution is involved.

Responding to a Stamp Duty audit may require property valuations, legal interpretation of transaction documents, and support from accountants familiar with state-specific legislation. AuditCover’s tax audit insurance covers the professional fees incurred in:

  • Reviewing and interpreting dutiable transactions
  • Engaging with state revenue authorities
  • Preparing legal or valuation reports
  • Defending your position and appealing reassessments
AuditCover is one of the few providers offering Stamp Duty audit protection nationally. We support businesses and advisors with:
  • Coverage for all state-based duties and audit types
  • Quick, digital policy activation
  • Claims support with access to state tax experts
  • Co-branded tools to help accounting firms communicate audit risk
If you’re involved in a property transaction or business restructure, get a quote. Accountants, legal advisers, and brokers can join the AuditCover Partner Program to ensure clients are protected from audit-related costs.

Get started with AuditCover today

Find out more about AuditCover and how you can make tax audit insurance smarter.

Scroll to Top