Tax Offset

A tax offset cuts the tax you owe dollar for dollar, after your tax is calculated, rather than shrinking your taxable income first. Most Australian offsets are non-refundable, and LITO, SAPTO and the now-dead LMITO do the heavy lifting.

Payslip & TaxLast reviewed 2026-09-26

What it is

A tax offset reduces your tax payable directly, one dollar of offset cancelling one dollar of tax. That is the crucial difference from a tax deduction, which only reduces the income your tax is calculated on. A $1,000 deduction at a 30% marginal rate saves you $300. A $1,000 offset saves you the full $1,000. Offsets are applied at assessment time, after the ATO works out your tax on taxable income.

In Australia, most offsets are non-refundable, which means they can take your tax bill down to zero but never below it. The big ones are the Low Income Tax Offset, worth up to $700 for lower earners, the Seniors and Pensioners Tax Offset, and the zone tax offset for remote work. Franking credits are the famous refundable exception. The Low and Middle Income Tax Offset, nicknamed the lamington, ended on 30 June 2022 and is not coming back.

Key takeaways

A tax offset reduces tax payable dollar for dollar, while a deduction only reduces taxable income.
Most offsets are non-refundable, so they can zero your tax bill but cannot create a refund on their own.
LITO tops out at $700 and tapers away by the time taxable income reaches about $66,667.
Offsets apply at assessment, not in weekly withholding, which is why refunds often arrive at tax time.
LMITO ended on 30 June 2022, so any payslip nostalgia for bigger refunds is officially out of date.

How it works

The ATO runs your tax in two layers. First it calculates tax on your taxable income using the marginal rates and adds the Medicare levy. Only after that number exists do offsets get applied, subtracting from tax payable in a set order. If your calculated tax is $4,000 and you qualify for the full $700 LITO, your tax drops to $3,300. A non-refundable offset that exceeds your tax is simply wasted, because the bill cannot go negative.

During the year your payroll rarely sees these offsets, because PAYG withholding tables mostly ignore them. You lodge a return, the ATO applies LITO and anything else you qualify for, and the gap between withheld tax and true tax becomes your refund. That is why modest earners often get a tidy refund without doing anything clever. LITO itself is automatic and needs no claim form. It pays $700 in full up to $37,500 of taxable income, then phases out at 1.5 cents per dollar until it vanishes around $66,667.

Other offsets, such as the zone offset or invalid carer claims, require you to answer questions in the return.

Why it matters

Offsets matter because they hide at the very end of the tax process, which is exactly where nobody looks. If you qualify for one and do not know it, you may never claim it, and the ATO does not chase you down out of generosity. Understanding them also stops the classic confusion of treating a $700 offset like a $700 deduction, which overstates its value at low incomes and understates it at higher ones.

A colleague named Brent (yes, that Brent) spent two years telling everyone his $700 LITO meant he could claim $700 of deductions tax free, which is not how any of this works, and he only discovered the difference when his refund came in smaller than his brag. The lamington's death was worse. Brent kept expecting that extra refund through 2022-23 and genuinely accused his payroll officer of theft.

The highest-leverage move is checking which offsets you actually qualify for each June, because eligibility follows your income and circumstances, not your memory. Run your numbers through the LMITO checker and the tax refund estimator before lodgement, cross-check the details at ato.gov.au, and stop treating your refund like weather.

Real-world examples

Example 1: Full LITO on a $36,000 taxable income

A part-time worker earns $36,000 taxable income in 2025-26. Tax on that income using the marginal rates comes to roughly $3,138 plus the Medicare levy of about $720. Because their income is below $37,500, the full $700 LITO applies at assessment. Their final tax payable drops to around $2,438, and if payroll withheld the standard amount all year they receive the $700 back as part of their refund. No claim form, no receipt, just arithmetic the ATO does automatically once the return lands.

Example 2: LITO tapering at $55,000 taxable income

A worker on $55,000 taxable income sits inside the taper zone. LITO starts shrinking at 1.5 cents for every dollar above $37,500, so the excess is $17,500 and the reduction is $262.50. Their LITO is $700 minus $262.50, which is $437.50. The offset still cuts their bill by that full amount, dollar for dollar. At this income every extra dollar of pay also costs 16 cents in tax plus 2 cents of Medicare plus 1.5 cents of lost offset, an effective rate near 19.5%.

Example 3: The lamington illusion, 2022-23 refund shock

In 2021-22, a worker on $60,000 received the $700 LITO plus up to $1,080 of LMITO, a combined $1,780 of offsets. In 2022-23 the LMITO was gone after ending on 30 June 2022, so only around $437.50 of LITO remained. Same job, same wage, same withholding, refund down by roughly $1,300. Nothing went wrong on the payslip. The offset simply expired, and workers who built repayments on the old refund size had to rebuild budgets overnight.

Common mistakes

Mistake: Treating a tax offset and a tax deduction as the same thing.

Why it bites you: A $700 offset saves $700; a $700 deduction saves about $210 at a 30% marginal rate. Confusing them leads to budgeting with money that never existed.

Mistake: Assuming an unused non-refundable offset becomes cash.

Why it bites you: If your tax bill is already zero from low income, the remaining offset evaporates. A low earner expecting a $700 cheque for offset alone gets $0.

Mistake: Planning around LMITO refunds after 30 June 2022.

Why it bites you: The lamington is dead, and workers on $60,000 saw refunds shrink by roughly $1,300 in 2022-23 compared with the year before. Budgets built on it needed emergency surgery.

Mistake: Ignoring the zone offset while working remotely in eligible areas.

Why it bites you: Qualifying remote workers can claim hundreds of dollars a year plus Medicare levy relief. Skipping it for a decade can mean $3,000 or more left with the ATO.

Ivy's take

I spent a rainy weekend reading the ATO offset rules and cross-checking the LITO taper tables against payroll outputs so you don't have to. My professional conclusion is that offsets are the most misunderstood line of Australian tax. Everyone argues about deductions while offsets quietly do more work, dollar for dollar, at the exact moment the bill is settled.

The practical takeaway is boring, which is why it works: offsets are applied automatically or via a claim at lodgement, and your only job is knowing which ones your circumstances trigger. Brent still refers to LMITO in the present tense, like a dead pet he expects to greet him at lodgement. Check your eligibility each June, run the numbers, and let the refund surprise nobody.

Related jargon, defined

Tax offset: A direct reduction of tax payable, applied after tax on taxable income is calculated.
Tax deduction: An expense subtracted from income before tax is calculated, reducing taxable income only.
LITO: The Low Income Tax Offset, worth up to $700 and tapering out by about $66,667 of taxable income.
LMITO: The Low and Middle Income Tax Offset, known as the lamington, which ended 30 June 2022.
SAPTO: The Seniors and Pensioners Tax Offset, an offset for eligible age and service pensioners.
Non-refundable offset: An offset that can reduce tax to zero but never below zero, so excess is lost.

Frequently asked questions

Is a tax offset better than a tax deduction?+

Dollar for dollar, yes, because an offset removes whole dollars of tax while a deduction removes income before rates apply. At a 32% marginal rate, a $1,000 deduction saves $320, whereas a $1,000 offset saves the full amount.

Do I need to claim LITO myself at tax time?+

No. The ATO applies LITO automatically when you lodge, based on your taxable income. You only need to make sure your income details are right so the taper calculates correctly.

Why did my refund shrink even though my pay did not change?+

The most common culprit after 30 June 2022 is the end of LMITO, worth up to $1,500 for some earners. Offsets live at assessment, so when one expires the refund shrinks with no change to withholding.

Can a tax offset give me a refund bigger than the tax I paid?+

Only refundable offsets, such as franking credits, can push you into money back beyond zero tax. Most offsets, including LITO and SAPTO, stop at zero and any leftover value disappears.

Do offsets affect my weekly payslip withholding?+

Generally no, because PAYG tables are built around rates and the tax-free threshold. Offsets reconcile at lodgement, which is why they usually show up as refund rather than extra pay each fortnight.

Disclaimer: This information is general in nature and does not constitute financial or legal advice. Always consult a qualified professional for your specific situation.

Keep learning

Tax Deduction Tax Return Tax-Free Threshold Marginal Tax Rate Medicare Levy

Tax Offset