Understanding Pay As You Go Instalments (PAYGI):

And what It Means for Your Business

Ryan Sheppard

Published February 10, 2025

by Ryan Sheppard

Social Share Widget

If you’ve recently received a letter from the Australian Taxation Office (ATO) about Pay As You Go Instalments (PAYGI), you might be wondering how it affects your business tax obligations, especially if you’ve just settled your tax bill. Essentially, PAYGI is designed to help businesses and individuals manage their income tax payments throughout the year by spreading them out into smaller, quarterly instalments. While this helps avoid a large tax bill at the end of the financial year, it can also impact your cash flow. Here’s everything you need to know about PAYGI, how it works, and how to manage it effectively.

What is PAYGI?

PAYGI is a system that allows businesses and individuals to pay income tax throughout the year in more manageable instalments. This system is especially useful for business owners and individuals with significant income from business profits or investments. Instead of paying a lump sum at the end of the financial year, PAYGI lets you prepay a portion of your tax bill, typically in four quarterly payments.

By spreading out your tax payments over the course of the year, PAYGI can help prevent a financial crunch when the tax bill comes due. However, it is important to stay organised to avoid cash flow challenges.

How Does PAYGI Work?

Once you’re enrolled in PAYGI, the ATO will send you a quarterly activity statement. If your business is registered for GST, PAYGI will be included in your Business Activity Statement (BAS). If you’re not registered for GST, you’ll receive a separate PAYGI notice outlining how much you need to pay for the quarter.

For more detailed information on how to lodge your BAS, visit the ATO’s BAS lodgement page here.

How Is PAYGI Calculated?

You have two options when it comes to how your PAYGI instalments are calculated:

  1. PAYGI Instalment Amount Method: This method uses the tax amount from your last lodged tax return, adjusted for economic growth (usually based on the GDP), and divides it across the remaining quarters of the financial year.

  2. PAYGI Instalment Rate Method: This method calculates your instalments as a percentage of your sales or income (known as “instalment income”) from your previous year’s tax return.

Once you choose a method, you must stick with it for the entire financial year. However, you can adjust the amount of tax you pay if your circumstances change.

Can You Adjust Your Instalments?

Yes, you can adjust your PAYGI payments if your income or expenses change throughout the year. However, be cautious – if you reduce your instalments by more than 15% below the actual amount due, you could face penalties and interest charges from the ATO. It’s essential to adjust your instalments based on a solid understanding of your financial situation and business performance.

If you’re unsure about how to adjust your payments, the ATO’s guide on PAYGI can help you understand your options.

Example: PAYGI in Action

Let’s consider an example. If your business has $1 million in sales and a tax bill of $50,000, your quarterly PAYGI payments will either be a fixed amount based on your previous year’s tax return or calculated as a percentage of your sales. The method you choose will significantly impact your business’s cash flow. Properly managing these payments will help ensure that your business maintains financial stability throughout the year.

Timing Matters

The timing of your tax return lodgement plays a crucial role in how your PAYGI instalments are calculated. If you lodge your return early, you may benefit from smoother cash flow, as the ATO will use the updated figures for your PAYGI calculation. On the other hand, late lodgement can result in higher PAYGI payments, increasing your financial burden in later quarters.

For more information on lodging your tax return, refer to the ATO’s Tax Return Lodgement page here.

Conclusion: How to Manage PAYGI Effectively

PAYGI is an essential tool for spreading your tax payments throughout the year, but it’s vital to understand how it works and how it impacts your business’s cash flow. Whether you choose the fixed instalment amount or the percentage method, it’s crucial to stay on top of your PAYGI payments and adjust them when necessary to avoid surprises.

If you’re unsure how PAYGI works or need help managing your tax obligations, Sheppard Advisory is here to assist. Our team of experts can help you navigate the complexities of PAYGI, BAS, and other tax-related matters, ensuring your business stays compliant and financially secure.

Contact us today to learn how we can support you in managing your PAYGI obligations and other business financial matters. Get in touch with Sheppard Advisory.