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The Daily Insight

What is an Instalment activity statement?

Author

Rachel Newton

Updated on February 18, 2026

An Instalment Activity Statement, or IAS, is a form used by taxpayers who are not registered for the GST. The IAS is also the form required to be lodged by entities that prepare a quarterly BAS but are required to remit their PAYG withholding tax on a monthly basis because they are a medium withholder.

Keeping this in consideration, what is an Instalment activity statement ato?

This document is for taxpayers with a PAYG income tax instalment obligation only. Typical users include partners in partnerships and other individual taxpayers who may elect the amount or rate, report the instalment income, vary the amount or rate and pay the PAYG income tax instalment quarterly.

One may also ask, what is an installment notice? The Pay As You Go (PAYG) instalment system is a program of pre-paying tax instalments towards your expected tax liability on your business and investment income. They are generally payable on a quarterly basis via a PAYG Instalment Notice or as part of your Business Activity Statement.

Moreover, how do I complete an Instalment activity statement?

If you want to pay this amount, copy it to 5A (PAYG income tax instalment) on your activity statement. If you think that using the pre-printed amount will result in you paying more (or less) tax than your expected tax for the year, you can vary it. To vary your instalment amount, you must fill in T8, T9 and T4.

What is a PAYG Instalment?

Pay as you go (PAYG) instalments help you do this. By making regular payments (instalments) throughout the year you won't have to pay a large tax bill when you lodge your tax return. Your payments are made based on your business and/or investment income (which is also known as instalment income).

Related Question Answers

What is the key purpose of the Instalment activity statement?

An Instalment Activity Statement, or IAS, is a form used by taxpayers who are not registered for the GST. The IAS is also the form required to be lodged by entities that prepare a quarterly BAS but are required to remit their PAYG withholding tax on a monthly basis because they are a medium withholder.

What is Instalment income ATO?

Work out your instalment income for the period and enter this at T1 (PAYG instalment income). If you don't have any instalment income for the period, enter '0'. Your instalment income is all the ordinary income you earned from your business and investment activities for the quarter (excluding GST).

What is the difference between a business activity statement and an Instalment activity statement?

Related to the BAS is the Instalment Activity Statement (IAS), which is used by taxpayers who are not registered for the GST, but have other tax obligations. An IAS is also used by entities that prepare a quarterly BAS but are required to remit their PAYG withholding tax on a monthly basis.

Are PAYG Instalments made using a bas or an IAS?

Reporting PAYG instalments

If you're: registered for goods and services tax (GST) – you report PAYG instalments on your BAS. not registered for GST – you report on an instalment activity statement (IAS)

What are some of the things that can be reported in an activity statement?

Business Activity Statements (BAS)
  • Goods and services tax (GST)*
  • Pay as you go (PAYG) income tax instalment*
  • Pay as you go (PAYG) tax withheld.
  • Fringe benefits tax (FBT) instalment.
  • Luxury car tax (LCT)
  • Wine equalisation tax (WET)
  • Fuel tax credits.

How do I lodge an activity statement online?

Once you're signed in to myGov, access the ATO from My member services, then:
  1. Select Tax and then Activity statements from the menu.
  2. To lodge a new activity statement, select Lodge activity statement. To view or revise an already lodged activity statement, select View or revise activity statements.

How does ATO calculate PAYG Instalments?

We calculate your PAYG instalment rate using information from your most recently lodged tax return. The instalment rate calculation is: (Estimated tax ÷ instalment income) × 100.

What is in a BAS statement?

A BAS outlines the amount a business pays of the following taxes: Goods and services tax (GST) Pay as you go (PAYG) income tax instalments. Pay as you go (PAYG) tax withheld.

How do you do an activity statement?

Prepare your information
  1. Double check you've included all your transactions.
  2. Make sure they're all business expenses.
  3. Ensure your sales and expenses are for the same dates as your BAS reporting period.
  4. If you're using accounting software, make sure you've coded items correctly.

How do I vary PAYG Instalment amount?

How to vary your instalment amount (option 1)
  1. Step 1: Estimate your instalment income for the year.
  2. Step 2: Estimate the tax on your instalment income.
  3. Step 3: Work out how much of your estimated tax to pay for this instalment.
  4. Step 4: Complete your activity statement or instalment notice.
  5. Step 5: Lodge and pay.

Is JobKeeper included in PAYG Instalment income?

Yes. JobKeeper payments are assessable as ordinary income so they fall within the definition of instalment income. If you're registered for PAYG instalments, you report JobKeeper payments at T1 in your BAS. If you're registered for PAYG instalments, you report JobKeeper payments at T1 in your BAS.

Can you vary PAYG Instalment after due date?

When you can vary PAYG instalments

You lodge your variation on your business activity statement (BAS) or instalment notice. There's no limit to the number of variations you can make, but they must be lodged: on or before the day your instalment is due. before you lodge your tax return for the year.

Can you claim PAYG tax?

You can only claim deductions for payments you make to your workers (employees or contractors) from 1 July 2019 where you have complied with the pay as you go (PAYG) withholding and reporting obligations for that payment. withhold the amount from the payment before you pay it to them. report the amount to us.

What is IAS tax Australia?

The IAS is a pre-printed document issued by the Australian Taxation Office every month, which summarises the amounts of PAYG instalments, PAYG withholding and ABN withholding. If you withhold more than $25k per year, you must do this every month. The ATO has a dedicated section about the IAS and lodgement time frames.

What is income tax?

Income tax is a type of tax that governments impose on income generated by businesses and individuals within their jurisdiction. Income tax is used to fund public services, pay government obligations, and provide goods for citizens.

What does installment mean?

noun. any of several parts into which a debt or other sum payable is divided for payment at successive fixed times: to pay for furniture in monthly installments. a single portion of something furnished or issued by parts at successive times: a magazine serial in six installments.

Is it installment or Instalment?

The noun referring to something issued or paid at intervals is spelled “installment” in the U.S. Outside the U.S., it is spelled with one L- “instalment”. Installment.. American and Canadian spelling.

What is an annual PAYG Instalment notice?

Your annual PAYG instalment will be credited against your income tax return to determine whether you owe more tax or are owed a refund. You need to pay your annual PAYG instalment before you lodge your income tax return to ensure the correct PAYG instalment amount is credited to your income tax account.

Is BAS and PAYG the same?

Your BAS will help you report and pay your: goods and services tax (GST) pay as you go (PAYG) instalments. other taxes.

Why do I have to pay PAYG Instalments?

Pay as you go (PAYG) instalments help you budget for your income tax and keep a healthy cash flow. By making regular payments during the year (through your activity statements) you won't have to pay a large tax bill when you lodge your tax return.

Is PAYG compulsory?

It's compulsory

But “PAYG instalment income” does not include wages and salary income from which PAYG is normally withheld. You will have to pay the ATO-calculated amounts unless you calculate your own instalments based on your actual current year income.

How do I cancel PAYG Instalment ATO?

You can exit the system if you think you no longer need to pre-pay your income tax by instalments:
  1. using your myGov account linked to the ATO (for individuals, including sole traders)
  2. through your registered agent.
  3. by contacting us.

How do you pay PAYG Instalments?

If you're an individual taxpayer or sole trader, you can voluntarily enter into PAYG instalments using a myGov account linked to the ATO. Go to 'Tax', select 'Manage' then 'Enter PAYG instalments. See 'help' if you need assistance.

Why is my PAYG Instalment so high?

Your PAYG Instalment amount is reassessed every time you lodge your tax return. So if you have higher investment/business income in your latest tax return lodged, the ATO will readjust the amount of Instalment required and you may find that the ATO asks for a higher amount.

Who should pay PAYG Instalments?

For individuals and trusts, you will typically need to pay instalments if you reported $4,000 or more ($1 or more if you're not a resident) of gross business and/or investment income in your latest tax return, unless one of the following applies: the tax payable on your latest notice of assessment is less than $1,000.

Can you opt out of PAYG?

Eligible individuals (including sole traders) with a myGov account linked to the ATO can exit the PAYG instalments system online. You can vary your instalment amount if you believe using the amount or rate notified by us will result in you paying too much or too little tax for the year.

Where do I put PAYG Instalments on my taxes?

Your PAYG instalments aren't pre-filled or reported in your tax return.

How often are PAYG Instalments payable?

You need to pay the amount shown on the statement or notice by the due date. The amount will be 25% of your PAYG instalment liability for the income year.

When to pay.

Quarter Period Due date
1 July–September 28 October
2 October–December 28 February
3 January–March 28 April
4 April–June 28 July