Foreign Income Tax Offset (FITO) 2025-26: How to Claim Credit for Tax Paid Overseas

General information only. This is not tax or financial advice. Consult a registered tax agent for advice specific to your situation.

If you’re an Australian tax resident with income from overseas — US dividend stocks, a UK rental property, German consulting fees, NZ interest income — chances are someone has already taken a cut before the money reaches you. Foreign withholding tax, foreign payroll tax, or foreign final tax all reduce what hits your account.

Australia’s Foreign Income Tax Offset (FITO) is the mechanism that gives you credit on your Australian return for that foreign tax — so you’re not taxed twice on the same income. But unlike the US Foreign Tax Credit, FITO is more limited: it doesn’t carry forward, it has its own arithmetic for amounts over $1,000, and not every overseas tax counts.

This guide walks through both the simplified path that covers most people, and the FITO limit calculation that everyone else needs.

What FITO is and why it exists

The Foreign Income Tax Offset is set out in Division 770 of the Income Tax Assessment Act 1997. It’s a non-refundable tax offset that reduces your Australian income tax liability by the amount of foreign income tax you’ve paid on income that’s also taxable in Australia.

The policy logic: if you’re an Australian tax resident, Australia taxes you on your worldwide income. But foreign countries also tax income earned within their borders. Without relief, the same dollar of income would face both Australian and foreign tax — sometimes pushing the effective rate over 60%.

FITO neutralises this by giving you credit for the foreign tax against your Australian tax bill. It’s the unilateral mechanism Australia provides; it operates independently of, and in addition to, any double tax agreement (DTA) Australia has with the foreign country.

The ATO’s Guide to foreign income tax offset rules is the official source.

The $1,000 simplified method (most people)

The single most useful rule in the FITO regime: if your total foreign income tax for the year is $1,000 or less, you can claim it as a direct offset with no further calculation.

This is the “small claims” path. You don’t need to work out the FITO limit. You don’t need to apportion deductions. You don’t need to identify which specific income items were doubly-taxed. You just write the foreign tax paid on your return and claim it.

The $1,000 limit applies to the total foreign tax you’re claiming for the year, not per item or per country. If you have $400 of US withholding tax on dividends and $300 of UK withholding tax on a small interest account, your total is $700 — under $1,000, simplified method applies.

For most Australian residents with modest overseas investments (an offshore brokerage account, a small UK pension drawdown, holiday property rent), this rule alone resolves the entire FITO question.

Above $1,000 — the FITO limit kicks in

If your total foreign income tax is over $1,000, you have a choice:

• Cap your claim at $1,000 (and forfeit the rest), or
• Calculate the FITO limit and claim up to that amount.

The FITO limit caps your offset at the Australian tax that would otherwise be payable on your foreign income (and related items). The formula, in essence:

FITO limit = Australian tax on assessable income (with the foreign-taxed income included) − Australian tax on assessable income (recalculated without the foreign-taxed income and without the deductions related to that income)

In other words: the FITO limit is the slice of your Australian tax bill that is attributable to the doubly-taxed income. You can’t use foreign tax credits to reduce Australian tax on Australian-source income.

Why the limit exists

If you’re a low-bracket Australian resident receiving income from a high-tax country (say, German employment income taxed at 42%), the foreign tax can exceed what Australia would have charged on the same income. The FITO limit prevents you from using that excess foreign tax to wipe out Australian tax on unrelated Australian-source income (like your domestic salary).

The limit is calculated on a global, aggregated basis — all your foreign income lumped together, all your foreign tax lumped together, one limit calculation for the entire return. Australia does not require per-country or per-class basketing the way the US Foreign Tax Credit does.

Worked example: US dividend portfolio

Priya is an Australian resident in the 32.5% marginal bracket (excluding Medicare). In 2025-26 she receives:

• Australian employment income: $90,000 (PAYG withheld $20,317)
• US dividend portfolio: $50,000 AUD-equivalent in gross dividends
• US withholding tax (under Article 10 of the AU-US DTA): 15% × $50,000 = $7,500

Step 1 — total foreign tax: $7,500. Over $1,000, so the simplified method doesn’t apply.

Step 2 — Australian tax payable with the foreign income included (2025-26 resident rates, including Medicare levy):

• Assessable income: $90,000 + $50,000 = $140,000
• Tax payable: approximately $38,438

Step 3 — Australian tax payable excluding the foreign income (and any deductions related to it; assume none in this example):

• Assessable income: $90,000
• Tax payable: approximately $21,288

Step 4 — FITO limit = $38,438 − $21,288 = $17,150

Step 5 — FITO claimable: lower of (foreign tax paid, FITO limit) = lower of ($7,500, $17,150) = $7,500.

Net Australian tax on the US dividends: $38,438 − $21,288 = $17,150 of Aus tax minus $7,500 FITO = $9,650 effective additional Aus tax on the foreign income.

Priya is no better and no worse off than if Australia had simply taxed the full $140,000 at full rates and she’d never paid the US 15% — which is the FITO regime working as intended.

You can sanity-check the underlying numbers using the income tax calculator — run it once with $90k, once with $140k, and the difference is the Aus tax attributable to the foreign slice (the upper bound of the FITO claim).

Where FITO falls short — no carry forward

This is the single most consequential difference between FITO and the US Foreign Tax Credit: unused FITO is lost. Forever. In the year incurred.

If your foreign tax exceeds the FITO limit, the excess can’t be:

• Carried back to a prior year
• Carried forward to a future year
• Transferred to a spouse
• Pooled with a different foreign tax basket

The excess is simply forfeited. This is set out in Division 770 — there’s no equivalent of the US §904(c) carry-forward.

When this hurts:

• Australian residents working in high-tax countries on rotation. A FIFO mining engineer working in Norway, where personal tax can reach 47%, who is still an Australian tax resident for the year. The Norwegian tax exceeds the Australian tax on the same income — Australia gives credit only up to the Australian liability, and the rest is gone.
• Australian residents receiving lump-sum foreign pensions. A one-off taxable foreign pension distribution can generate foreign tax in excess of the FITO limit for that year, with no future smoothing.
• Retirees with concentrated foreign income. If most of your income for the year is foreign-sourced and heavily withheld, the FITO limit (driven by Australian rates) can be low relative to the foreign tax paid.

Planning around this generally means timing — bunching foreign income into Australian-resident years with offsetting Australian-source income, or considering residency timing carefully where you have a choice.

What’s “double-taxed income”

A common misconception: any income that came from overseas counts as foreign-taxed. It doesn’t. Only the income that has actually borne foreign tax counts.

Where Australia has a DTA with the source country, the DTA often reduces or eliminates withholding tax. A few examples:

• Australian-resident receiving NZ interest: Article 11 of the AU-NZ DTA caps NZ withholding at 10%. If NZ withheld 10%, that 10% is the foreign tax for FITO. If the payer applied the NZ Approved Issuer Levy regime and withheld 2% AIL, the AIL is generally not a “foreign income tax” — see the ATO note below.
• Australian-resident receiving Singapore dividends: Singapore doesn’t withhold tax on dividends to non-residents (single-tier system). So zero foreign tax was paid, and the Singapore dividend isn’t double-taxed even though it’s foreign-source.
• Australian-resident with US bank interest: under Article 11 of the AU-US DTA, US bank interest is generally taxed at 0% withholding for Australian residents. Even though it’s foreign income, no US tax was withheld, so no FITO.

What this means in practice: don’t claim FITO based on the foreign country it came from. Claim it based on what foreign tax was actually paid or withheld, evidenced by tax certificates, statements, or pay slips.

What doesn’t count as “foreign income tax” for FITO

Not every payment you make to a foreign government qualifies. The following are explicitly or generally excluded:

• Penalties and interest charged by a foreign tax authority for late lodgement or late payment.
• Withholding “taxes” that are really fees — e.g. some collection-of-payments levies that aren’t true taxes.
• Refundable foreign tax credits. If the foreign country refunded part of the tax to you (or you have a right to a refund), you must reduce your FITO claim by the refundable portion. You can’t double-dip.
• Foreign tax that the DTA didn’t permit. If a foreign country withheld at its domestic statutory rate but the DTA caps it lower, you can claim FITO only up to the DTA-permitted rate. The excess is recoverable from the foreign tax authority, not from Australia.
• Foreign tax paid by another entity in your tax chain that’s already been credited — e.g. some forms of foreign tax embedded in managed fund distributions where the responsible entity has already grossed up.
• NZ Approved Issuer Levy (AIL). The 2% AIL is generally treated by the ATO as not creditable for FITO purposes (it’s a levy, not income tax) — see ATO ID 2010/200 for the position.

The practical implication: read the tax certificate carefully. The figure in the “tax withheld” box on a US 1042-S, a UK self-assessment statement, or a managed fund AMIT statement isn’t always the figure you can claim. Confirm it’s an income tax of the foreign country imposed under that country’s tax law on income that is also assessable in Australia.

AUD conversion

FITO and foreign income both need to be expressed in Australian dollars on your return. The rules:

• Convert foreign income to AUD on the date it was derived — generally when received, or when earned for accruals-basis income.
• Convert foreign tax to AUD on the date the tax was paid — typically the date of withholding for withheld tax, or the date of payment for self-assessed tax.
• Use ATO published rates — the ATO publishes daily and monthly average exchange rates for major currencies. For small or regular amounts the ATO accepts an annual average rate.
• Be consistent within a return — don’t mix daily rates for income and annual averages for tax. Pick a method per income stream and document it.

For a one-off large foreign tax payment (e.g. a lump-sum US estate distribution), use the daily rate on the date of withholding. For a US brokerage account with monthly dividends, the monthly average AUD rate is usually acceptable and reduces working-paper volume.

Foreign income, foreign tax, and the timing of recognition

A subtle trap: FITO is claimable in the Australian income year in which the foreign income is assessed to you in Australia. Foreign tax paid in a different year still goes against the Australian income year in which the underlying income was assessed.

Example: a US bonus paid 15 January 2026 with US tax withheld on that date. The income is in your Australian 2025-26 year (paid before 30 June 2026). The withholding tax is too. Match it.

Where the foreign country and Australia have different tax years (most common for UK — UK tax year is 6 April to 5 April vs Australia’s 1 July to 30 June), you may need to apportion. Common approach: use the foreign income statements that cover the Australian period and split foreign tax pro-rata.

Where to declare FITO on your return

On the individual return:

• Foreign income is declared at the appropriate label depending on type — foreign employment income (label 20), foreign pensions (label 20), foreign rental (label 21), foreign interest/dividends (labels 19 and 20).
• FITO is declared at label 20O — Other foreign income tax offsets, or via the Foreign income tax offset section in myTax.

If you’re using a tax agent, the agent’s software will route it correctly. If you’re lodging yourself, myTax includes specific prompts that calculate the simplified $1,000 path automatically and walks you through the FITO limit calculation if you exceed it.

Common scenarios summarised

Scenario	Typical foreign tax	FITO path	Watch out for
US shares via Australian broker (≤ $1k withholding)	15% US withholding	Simplified ($1k method)	W-8BEN must be on file or 30% withheld
US shares — large portfolio (> $1k withholding)	15% US withholding	Calculate FITO limit	DTA rate is 15% — anything more is recoverable from IRS, not Aus
UK rental property	20-45% UK tax via SA return	Calculate FITO limit	UK tax year mismatch — apportion
NZ KiwiSaver employer contributions (Aus resident)	NZ ESCT or PIE tax	Generally creditable	PIE tax can be partly final — get statement
Singapore dividends	0% withholding	No FITO (no foreign tax paid)	Don’t claim what wasn’t withheld
Working holiday tax refund of foreign tax	Refund reduces foreign tax paid	Reduce FITO claim	Restate prior-year FITO if claimed before refund

FAQs

Can my spouse and I share a single FITO claim?

No. FITO follows the income — the person assessed on the foreign income is the only person who can claim FITO on the foreign tax. If a foreign asset is jointly held, each spouse declares their share of income and claims their share of foreign tax.

Do I need to keep the foreign tax certificate?

Yes. The general 5-year record-keeping rule applies. Specifically you need to be able to substantiate the foreign tax paid (the foreign country’s equivalent of a payment summary, a withholding tax certificate, a self-assessed return acknowledgment) and the AUD conversion method. Without the certificate, the ATO can disallow the FITO claim on review.

I’m a non-resident — does FITO apply to me?

Generally no. Non-residents are only taxed by Australia on Australian-source income, which by definition isn’t foreign-taxed. FITO is a resident-only mechanism. If you’re a non-resident with Australian-source income that has also been taxed in your home country, relief comes from the DTA (if any) and your home country’s foreign tax credit system. The non-resident tax calculator walks through the Australian side of that picture.

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Quick links: Non-resident tax basics • Non-resident CGT 80% tax myth • Expat property CGT and main residence exemption