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Including or excluding: GST explained
taxes

GST Explained: Guide to including GST and excluding GST

Whether you are starting or growing a business, you will probably wonder at some point whether the Goods and Services Tax (GST) affects you. We’ll explain how GST works, when to include GST and when to exclude GST to ensure you meet your tax obligations.

What is GST?

The Goods and Services Tax is a broad-based tax levied at a rate of 10% on most goods and services sold or consumed in Australia. The general public ultimately pays this tax but the ATO relies on local businesses to collect the money on its behalf.



Do you need to register for GST?

The GST registration threshold or GST turnover is $75,000 for businesses, or $150,000 for non-profit organisations. You must register for GST if you fall into one of these categories according to the ATO:


  • If you’re already in business and your annual turnover has reached or exceeded the GST threshold
  • When you start a new business and expect your annual turnover to reach or exceed the GST threshold in the first year of operation
  • You provide a taxi or limousine travel service in exchange for fares
  • If you want to claim fuel tax credits for your business or enterprise

GST turnover refers to your business revenue rather than profit.

Startups and enterprises not registered for GST should assess sales figures regularly, as once your revenue breaches the annual turnover threshold, you will only have 21 days to register your business to avoid penalties and interest.



Calculating how much GST to include

After registration, you must charge GST at the current rate of 10% when supplying goods or services that are subject to this tax.


For example, if the value of your supply is $50 excluding GST, then:


  • The GST you owe the ATO is 10% x $50 = $5
  • The GST inclusive price of your supply is $50 + $5 = $55

Although these calculations are relatively straightforward, the trick is to ensure you only charge GST on taxable sales. Use QuickBooks free GST calculator to have peace of mind when calculating your GST.



Including GST: when to include GST

You need to include GST on the goods and services you sell in Australia if you are registered for GST or required to register for GST if you fall into one of the categories above. This is called a taxable sale.

Including GST in taxable sales

To qualify as a taxable sale with GST included in the price, a sale must be:

  • For payment of some kind
  • Made in the course of operating your business
  • Connected with Australia

For taxable sales, make sure to meet the following obligations:

  • Include GST in the price of your goods or services
  • Issue a tax invoice to the buyer including the GST amount
  • Pay the GST you have collected when you lodge your business activity statement.

Excluding GST: when to exclude GST

However, you can exclude GST if the goods and services you sell in Australia are GST-free or input-taxed, regardless of whether you are registered for GST or required to be registered. This is called a GST-free sale because the goods and services are GST-free and exempt from GST.


Excluding GST from GST-free sales

Below is a list of some GST-free or GST-exempt goods and services from which you must exclude GST:


  • Most basic foods
  • Some education courses, course materials and related excursions or field trips
  • Some medical, health and care services
  • Some medicines
  • Some childcare services
  • Some religious services and charitable activities
  • Cars for disabled people to use, when certain requirements are met
  • Water, sewerage and drainage
  • Sales through duty-free shops

Please note this is not an exhaustive list. Visit the ATO website for more information on GST-free goods and services.


Grow Your Business with QuickBooks

How to pay GST

Small businesses will typically have to complete and lodge a Business Activity Statement (BAS) and pay GST to the ATO every three months. These tax periods run from July to September, October to December, January to March and April to June. 


If you calculate and pay your actual GST quarterly, you can choose to report quarterly or annually. However, if you pay quarterly instalments determined by the ATO, then you will report GST annually.

GST Credits

You can potentially claim refunds for the GST you paid on business purchases. Known as GST credits, these are offset against the GST you owe to determine your net obligation to the ATO.


For a purchase with the GST inclusive price of $110:


  • Your potential GST credit is $110 ÷ 11 = $10
  • The purchase price excluding GST is $110 – $10 = $100

Keeping track of GST with QuickBooks

GST affects most businesses. It’s important to keep track of your GST to ensure your BAS are lodged correctly. QuickBooks tax software makes it easy for small businesses to lodge their BAS and prepare for tax time. Try a 30-day free trial and see how QuickBooks can streamline your tax and BAS workflow today.

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