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  • Category: Tax For Individuals

What is a Notice of Assessment?

  • February 24, 2026

Tax time can be a stressful and overwhelming experience for many Australians. Every year, the days leading up to filing individual tax returns or preparing your individual tax return are often filled with dread and uncertainty, not knowing exactly what to expect from the process or how much money you’ll get back, including when you will receive your assessment from the ATO. The Notice of Assessment is a key document and an official document issued by the ATO as part of the Australian tax system, confirming the review and outcome of your tax return.

The process of filing individual tax returns in Australia is complicated and can be especially daunting for those unfamiliar with paperwork and their finances. The Notice of Assessment is sometimes referred to as a Notice of Assessment NOA. The Australian Taxation Office (ATO) has made it slightly more accessible by providing online forms and services, which can help fill in your income details automatically, but their processes require taxpayers to have some knowledge of taxes, deductions, credits and other related concepts. The quickest and easiest way for individuals and sole traders to access their tax documents is through ATO online services linked via a myGov account. These platforms allow you to access, review, and manage your tax obligations efficiently.

It is crucial to start preparing your tax return early each year, so you have enough time to gather all necessary documents, such as pay slips, receipts and bank statements, including your income details.

Knowing which documents will be required ahead of time can make it easier to start gathering them instead of trying to locate them when it’s too late. Accurate bank account details, including the BSB and account number, ensure your tax return is processed correctly.

So, in this blog post, we’ll provide an overview of the essential information and documents required when filing tax returns in Australia, as well as some tips on how best to ensure accuracy and efficiency during the process. Understanding the Australian tax system and using online tools like myGov and ATO online services is essential for tax compliance and managing tax obligations efficiently.

What are the Requirements to Lodge a Tax Return?

To lodge a tax return, or if you need to lodge one, you must provide certain documents to the Australian Tax Office (ATO) that verify your income. These documents should cover all income sources—such as wages, interest, dividends, and business income—for the relevant financial year. You may also need to confirm your income with the ATO or other government agencies, such as Services Australia, to ensure accurate assessment for government benefits. But first, you need to have your Tax File Number (TFN) ready.

What is a Tax File Number?

A Tax File Number (TFN) is a unique nine-digit number issued to Australian taxpayers by the ATO. It is used for many purposes, including tracking your tax information and assisting with lodging your tax return online.

Applying for a TFN is free; in most cases, it can be done online or through the mail. To apply online, you must visit the ATO website and create an account. You will then need to provide personal information, such as your name, date of birth, address and citizenship status.

If you’re applying by mail, you must download and complete the relevant application form from the ATO website before sending it in. In either case, you may also need to provide proof of identity documents such as a passport or driver’s licence. 

Once the ATO receives, approves, and processes your application, your TFN can arrive in the mail in up to 28 days. Therefore, you must always keep this number safe and confidential because if someone else accesses it, it could potentially be used for fraudulent activities. 

For more information about how to apply for a TFN or what documents are required, please visit the ATO website or contact them directly via phone or email.

Documents You’ll Need For Your Tax Return

Besides having your TFN handy, there are a few other important bits of information you’ll need to get to submit your annual tax return. This includes details about all your income earned throughout the year, such as:

  • Salary or wages
  • Interest on bank accounts
  • Rental income
  • Investment income
  • Capital gains
  • Foreign income


If you are acting on behalf of someone else, such as a deceased person, you may need additional authority to access their tax documents.

If you have sold any assets, you will need to calculate and report any capital gains tax.

There are various documents you can use to prove your income, including:

  • Payment summaries
  • Annual bank statements
  • Dividend statements
  • Any documentary evidence of foreign income
  • Annual share reports
  • Annual statements from managed funds
  • Medicare Entitlement Statement (if applicable)


You’ll also need to provide your bank account details so that the ATO can process your tax refund. If you do not provide bank details, a refund cheque may be issued instead.

Additionally, you will need to provide specific types of evidence for any claims for deductions made on your return, such as receipts for deductible expenses, so that the ATO can validate them and process your tax refund. Make sure you claim all the deductions you are eligible for to maximize your tax benefits.

Examples include:

  • Insurance premium details. such as income protection insurance
  • Expense receipts and logbooks for vehicles that you use for work 
  • Receipts for all work-related expenses such as travel expenses, equipment, occupation-specific clothing, uniforms and education
  • Evidence of charitable donations
  • Accountant fees


If you own an investment property, you can claim a wide range of tax deductions for expenses such as:

  • Property management
  • Maintenance
  • Administration
  • Insurance
  • Rates and taxes
  • Interest on your mortgage
  • Quantity surveyor fees
  • Tax depreciation


If you are a sole trader, you should also gather relevant business income documents. Note that individuals and sole traders cannot use the form located on the ATO page to request documents.

You should consult an accountant about tax deductions to ensure that you take full advantage of essential savings opportunities.

It is important to accurately report your net income or loss for the income year and maintain supporting documentation related to income and deductions. If you notice any discrepancies or need to support a claim, gather supporting documentation to address these issues. Keep your notice of assessment as an important document for your records—review all the details and assessment carefully for accuracy, and retain it for future reference.

When downloading forms from the ATO, ensure you are on the correct page of the ATO website for the specific document you need. You can request prior year copies of documents by completing the Copies of tax document request form.

For more information on required documents, consult official ATO publications.

Retaining tax records in Australia is generally required for five years from when they were prepared or the transaction was completed.

 

Understanding Your Taxable Income

Taxable income is the amount of income that is subject to income tax. It includes income from various income sources, such as wages, interest, dividends, and business income, as well as employment, investments, and business activities.

Individuals who earn income from these sources may need to lodge a tax return. It is important to estimate how much tax to set aside or pay, and to ensure enough tax is withheld throughout the year to avoid a tax bill at the end of the tax assessment process.

Understanding your taxable income is crucial to ensure you meet your tax obligations and take advantage of available tax deductions. You can potentially reduce your tax liability through eligible deductions, tax offsets, and tax credits, which are reflected in your tax assessment. The tax assessment will also include components such as the Medicare Levy, and will show the tax payable and final balance after all calculations.

By reviewing your tax assessment and understanding your tax position after assessment, you can make informed decisions for financial planning.

Income Documents

To accurately report your taxable income, you must gather various income documents. The ATO processes involve verifying these income documents and processing your tax return, whether lodged online or on paper. These documents will help you calculate your total income and identify any deductions you may be eligible for. Having all the necessary documents for tax return preparation ensures that you can lodge your tax return accurately and efficiently.

When you receive your Notice of Assessment, the assessment typically includes details such as your taxable income, tax payable, and any credits or deductions. The notice serves as official proof of your income and tax obligations as issued by the ATO.

Having all the required tax documents ready will help you achieve the best result when lodging your tax return.

Salary or Wages

If you are an employee, you will need to obtain a payment summary from your employer. This document will show your gross income, tax withheld, and any other relevant details. PAYG withholding is the process by which employers deduct income tax from your wages throughout the year, ensuring that the withheld amounts are credited against your total tax liability. You may also need to provide payslips or other evidence of your income. These documents are essential for accurately reporting your earnings and ensuring that you pay the correct amount of tax.

Allowances and Payments

If you receive any allowances or payments from your employer, such as a car allowance or meal allowance, you will need to report these on your tax return. You may need to provide documentation, such as a letter from your employer or a payslip, to support these claims. Properly reporting these allowances ensures that you comply with tax regulations and avoid any potential issues with the ATO.

Interest and Dividends

If you have investments, such as savings accounts or shares, you must report the interest and dividends you receive on your tax return. You must provide documentation, such as bank statements or dividend statements, to support these claims. Accurately reporting investment income is crucial for determining your taxable income and ensuring that you meet your tax obligations.

Other income documents you may need to provide include:

  • Centrelink payments
  • Australian Government pensions and allowances
  • Foreign income
  • Rental income
  • Business income


For more guidance and articles on Australian accounting and tax topics, visit Krishan Sharma’s articles.

It is essential to keep accurate records of your income and expenses throughout the year to ensure you can provide the necessary documentation when lodging your tax return. By maintaining organised records, you can streamline the tax return process and ensure that you claim all eligible deductions and credits.

How to Lodge Your Tax Return

When it comes to lodging your tax return in Australia, you have two options:

  • Self-lodging: You can prepare and submit your tax return yourself using the ATO’s online myTax system. This option requires a good understanding of the tax system and comfort with the online system. When using myTax, make sure you are accessing the service with a compatible browser to avoid issues with loading or downloading tax documents. The online system can help you fill in your personal and income details quickly, often by auto-filling information from the ATO’s records, making the process more convenient. Be sure to navigate to the correct page on the ATO website for lodging your tax return to ensure you are using the right online form. After you lodge your return, the ATO issues a Notice of Assessment once they have reviewed your submission.

Using a Tax Agent: Alternatively you can engage the services of a registered tax agent, such as KNS Accountants, to prepare and lodge your tax return for you. This option has many benefits:

  • A registered tax agent has the expertise and knowledge to ensure your return is correct and compliant with all tax laws and regulations.
  • They can find deductions and credits you may be eligible for and maximise your tax refund or minimise your tax liability.
  • Using a tax agent reduces the risk of serious errors and consequences, as we review your return thoroughly before submitting it to the ATO.

KNS Accountants offers a full tax return service where a registered tax agent will prepare your return and review it before submission. This is perfect for those who want a professional to handle their tax affairs but still want to be involved in the process.

Once your return is processed and the ATO issues your Notice of Assessment, you may find that you are entitled to a refund, or you may receive a tax bill if you owe tax. If you have a tax debt, it is important to address it promptly to avoid further complications.

If you are unable to pay your tax bill due to financial hardship or serious financial hardship, you should contact the ATO as soon as possible. The ATO can help you set up a payment plan to manage your tax debt and may provide assistance options. Acting early can help you avoid interest charges and additional penalties. If you are experiencing financial difficulties, do not ignore your tax obligations—support is available.

If you are facing financial difficulties, have complex tax issues, or are unsure about your options, it is recommended to seek professional tax advice to ensure you remain compliant and make informed decisions.

In the end, it comes down to your individual circumstances, comfort with the tax system and level of professional help you want. Consider your options carefully and decide what’s best for you.

Tax Return FAQs

How Do I Know If I Need to File a Tax Return in Australia?

Generally, you must lodge a tax return if you are an Australian resident for tax purposes and earn more than the tax-free threshold of $18,200. If you are no longer eligible for certain tax credits or offsets, you may still need to lodge a return to update your eligibility status with the ATO.

What is the Deadline For Lodging a Tax Return?

The due date for lodging your individual Australian Tax Return is 31 October each year. If additional time is needed, you can submit a request for an extension through the ATO’s website or over the phone. 

Taxpayers who use an accountant or registered agent may have different deadlines depending upon their arrangements with their advisor, and it’s best to check with them regarding this issue. 

Can You Lodge an Online Tax Return?

You can lodge your own personal income tax return with the ATO online using myTax. It is an easy way to submit your annual income and expenses electronically. When lodging your own tax return, it is important to report any capital gains tax for investment assets accurately. 

You will need to register with the myGov website before accessing myTax. Once registered, follow the steps provided by myTax, which include determining which deductions apply to your situation and entering all relevant information into the system.

Why Should I Lodge my Tax Return with a Registered Tax Agent?

KNS Accountants and Business Advisors is one of Australia’s leading business advisors, specialising in providing comprehensive advice on taxation matters. Our extensive knowledge of various tax issues enables us to provide clients with tailored solutions that help minimise their overall taxable income while complying with all relevant laws and regulations.

Our experienced professionals are available to assist clients from beginning to end throughout their entire process, including preparing returns, managing payments, arranging refunds, providing advice on eligibility for deductions and offering strategic planning guidance for future years.

We also provide access to related services, such as accounting, bookkeeping, preparing for audits, and cryptocurrency tax.

Key Takeaways 

Filing individual tax returns in Australia can be easy provided one has all relevant information and understands the requirements clearly before proceeding with lodgement. 

Keeping organised records throughout the year and providing adequate evidence upon submitting your return form will help ensure that you receive your entitlement while minimising any potential issues down the line.

If you would like to know more about the services we offer at KNS, contact us today.

Disclaimer
Please note that every effort has been made to ensure that the information provided in this guide is accurate. You should note, however, that the information is intended as a guide only, providing an overview of general information available to contractors and small businesses. This guide is designed to be a partial source of information and should not be seen as legal or tax advice. You should, where necessary, seek your advice for any legal or tax issues raised in your business affairs.

 

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