Received an ATO Letter About Overdue BAS or Tax? Here’s What to Do

by Kirsty Donachie at The Pen Accounting Surry Hills, Sydney.

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Received an ATO letter about overdue BAS, tax or super? Learn what it means, what to do next, and how to catch up on lodgements before penalties escalate.
Digital notification alert representing business receiving important tax or ATO communication

Receiving a letter from the Australian Taxation Office (ATO) about overdue tax obligations can be stressful for any business owner.

Many businesses fall behind on lodgements due to rapid growth, cash flow pressures, or simply not having the right accounting systems in place.

Common issues include:

  • overdue BAS lodgements
  • outstanding tax returns
  • unpaid superannuation
  • missing STP reporting
  • incomplete financial records

If you’ve received an ATO notice requesting lodgements within a certain timeframe, it’s important to act quickly.

The good news is that these situations can usually be resolved with the right support.

Common ATO Compliance Issues Businesses Face

Many businesses contact us after receiving an ATO notice regarding outstanding obligations such as:

Overdue BAS Lodgements

Businesses registered for GST must lodge Business Activity Statements regularly. When BAS lodgements are missed, the ATO may issue penalties and request immediate lodgement.

Outstanding Income Tax Returns

Companies and individuals must lodge annual tax returns. If returns are not lodged for multiple years, the ATO may begin compliance action.

Unpaid Superannuation Obligations

Employers must pay employee superannuation contributions on time. If super payments are missed, businesses must lodge Superannuation Guarantee Charge (SGC) statements and may face additional penalties.

Missing STP Reporting

Employers must pay employee superannuation contributions on time. If super payments are missed, businesses must lodge Superannuation Guarantee Charge (SGC) statements and may face additional penalties.

When Businesses Fall Behind on Lodgements

There are many reasons businesses fall behind on tax obligations.

Some of the most common include:

  • lack of proper bookkeeping systems
  • business owners managing finances themselves
  • rapid growth without financial infrastructure
  • previous accountants retiring or disengaging
  • financial stress or cash flow challenges

In many cases, businesses have no accounting system at all and only bank statements available.

This means financial records need to be reconstructed before lodgements can occur.

Reconstructing Financial Records from Bank Statements

When financial records are incomplete, accountants and bookkeepers must reconstruct the accounts.

This process typically involves:

  • analysing bank statements
  • categorising income and expenses
  • identifying GST obligations
  • rebuilding payroll records
  • preparing financial statements

Once accurate financial records are rebuilt, outstanding lodgements can be prepared.

Catching Up on Multiple Years of Lodgements

Many businesses come to us needing to catch up on several years of outstanding obligations.

This may include:

  • multiple BAS statements
  • overdue tax returns
  • SGC statements for unpaid super
  • payroll reporting corrections

With a structured approach, these obligations can usually be brought up to date within a clear timeline.

Communicating with the ATO

When businesses receive compliance notices, communication with the ATO becomes critical.

Accountants can often assist by:

  • preparing required lodgements
  • responding to ATO correspondence
  • negotiating lodgement timelines
  • helping reduce penalties where possible

Taking action early can significantly improve outcomes.

Implementing Proper Accounting Systems

Once outstanding obligations are resolved, the next step is ensuring the situation doesn’t happen again.

Many businesses implement modern accounting systems such as Xero cloud accounting software alongside integrations including:

  • Dext for receipt capture
  • Hubdoc for document management
  • Employment Hero for payroll and HR
  • ApprovalMax for payment approvals

These systems help automate bookkeeping and ensure lodgements remain up to date.

Signs Your Business Needs Immediate Lodgement Help

You may need urgent accounting assistance if:

  • you have received an ATO compliance letter
  • multiple BAS statements remain unlodged
  • tax returns have not been lodged for several years
  • employees are requesting unpaid superannuation
  • financial records are incomplete or missing
  • you have only bank statements available

In these situations, the sooner the issue is addressed, the easier it typically is to resolve.

Getting Your Business Back on Track

Falling behind on tax lodgements is more common than many business owners realise.

With the right accounting and bookkeeping support, businesses can reconstruct their financial records, lodge outstanding obligations, and implement proper financial systems moving forward.

Addressing these issues early provides clarity, reduces stress, and helps businesses move forward with confidence.

Speak to an Accountant About Overdue Lodgements

If your business has received an ATO notice or has fallen behind on BAS, tax or super obligations, professional support can help resolve the situation.

Our team assists businesses with:

  • overdue BAS lodgements
  • outstanding tax returns
  • superannuation guarantee charge statements
  • financial record reconstruction
  • ATO correspondence and compliance support

Taking action early helps minimise penalties and bring your business back into compliance.

The-Pen-About-Kirstie

At The Pen Accounting, we specialise in helping creative businesses like yours achieve financial success. From bookkeeping to tax advisory and business strategy, our services are tailored to the unique needs of the creative sector in Australia. If you’re ready to take control of your financial records, contact us today and discover how we can help your business grow.

DisclaimerThis is general information only and is not advice of any sort. No warranty or representation is provided by The Pen Accounting as to the accuracy, currency or completeness of the information contained in this blog. Readers of this blog should not act or refrain from acting in reliance upon any information contained herein and must always obtain appropriate taxation and / or other advice as may be appropriate having regard to their particular circumstances.

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