U.S. Tax Checklist for Americans in Australia
Last reviewed: July 21, 2026. Educational overview only. U.S.–Australia treaty, residency, superannuation, entity, trust, and investment issues require fact-specific analysis.
Americans living in Australia often have two annual compliance systems operating on different calendars. The Australian income year generally runs from July 1 through June 30, while the U.S. individual return and FBAR use a calendar year.
The reliable approach is to maintain one reconciled record set, determine residence and source under each country's rules, and then prepare each return using the rules that apply to that system.
1. Confirm Australian tax residence
Australian tax residence is not the same as citizenship, permanent residence, or visa status. The Australian Taxation Office applies tax-residency tests to the person's facts.
An Australian resident for tax purposes who is not within the temporary-resident rules generally reports worldwide income to Australia. A foreign resident generally reports Australian-source income and is subject to different rates and capital-gains rules. Temporary residents can have modified treatment.
Start with the ATO's tax residency guidance rather than assuming that arrival or departure alone controls the result.
2. Build a calendar-year U.S. income ledger
The IRS generally requires U.S. citizens and resident aliens abroad to report worldwide income. Create a calendar-year ledger covering:
- Australian salary and bonuses;
- self-employment or contractor income;
- Australian and U.S. interest and dividends;
- rental income and expenses;
- capital transactions;
- pension or superannuation distributions;
- business, trust, and entity interests; and
- income retained or reported through foreign structures.
Convert amounts consistently and retain the exchange-rate source. The IRS notes that it generally accepts a consistently used posted exchange rate rather than prescribing one universal rate for every transaction.
3. Decide how overlapping income tax is coordinated
The U.S.–Australia income-tax treaty can affect residence, source, withholding, pensions, government service, and other categories. The treaty also contains provisions preserving U.S. taxation of citizens, subject to exceptions.
Common U.S. mechanisms include:
- the foreign tax credit for qualifying Australian income taxes paid or accrued on the same income;
- the foreign earned income exclusion for qualifying earned income when the tax-home and residence or presence tests are met; and
- treaty treatment for specific income categories.
These mechanisms cannot be stacked without limits. Income excluded under the FEIE cannot also support a foreign tax credit, and timing or category differences can leave residual tax.
4. Test FBAR separately
File an FBAR when the aggregate maximum value of foreign financial accounts exceeds $10,000 at any time during the calendar year, subject to the detailed rules and exceptions. Australian bank and investment accounts can be foreign accounts for this purpose.
The FBAR is filed electronically with FinCEN, not attached to Form 1040. It is due April 15 with an automatic extension to October 15; no separate extension request is required. See the IRS FBAR page.
5. Test Form 8938 and other information returns
Form 8938 uses different asset definitions and thresholds from the FBAR. Filing either form does not replace the other.
Also evaluate whether Australian facts trigger forms involving:
- foreign corporations or partnerships;
- foreign trusts or gifts;
- passive foreign investment companies;
- foreign pensions or deferred compensation; and
- ownership or transactions involving Australian businesses.
The IRS states that interests in foreign pensions or deferred compensation plans can be specified foreign financial assets for Form 8938. The U.S. treatment of Australian superannuation is fact-sensitive; do not infer the income-tax classification from the account's Australian label.
6. Track the two filing calendars
| Task | General calendar |
|---|---|
| Australian individual income year | July 1–June 30 |
| U.S. Form 1040 | Calendar year; generally April 15 |
| Qualifying taxpayer abroad | Automatic two-month U.S. filing extension, generally to June 15; interest on unpaid tax can still run from April 15 |
| FBAR | April 15 with automatic extension to October 15 |
| Form 8938 | Attached to the U.S. return and follows its due date, including extensions |
Confirm the current ATO lodgment deadline based on whether the return is self-prepared or lodged through a registered tax agent.
7. Reconcile records before either return is final
Keep a cross-border workpaper with:
- Each income item in original currency.
- Payment and accrual dates.
- Tax withheld or paid in each country.
- Exchange rates and conversion method.
- Account maximums and year-end values.
- Ownership percentages and entity classifications.
- Forms filed in each country.
- Differences caused by fiscal years, source rules, or timing.
Do not force the Australian return numbers directly into the U.S. return without reconciling the July–June and January–December periods.
8. Handle missed years deliberately
If prior U.S. returns, FBARs, or information returns are missing, first identify whether income and tax were reported correctly. The appropriate response may differ for a late FBAR alone, a broader non-willful offshore failure, or conduct that could be willful.
Use FBAR Reasonable Cause vs. Streamlined Filing as a decision framework, not as a filing recommendation.
Why this matters for an enrolled agent
Australia cases demonstrate why international tax work is not data entry. The practitioner must reconcile two tax years, distinguish residence from citizenship, apply separate reporting regimes, and document when specialist advice is required.
EA Dojo provides primary-source-verified questions across all three SEE parts so candidates practice applying rules to facts instead of memorizing country slogans.
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Primary sources
- IRS: U.S. citizens and resident aliens abroad
- IRS: U.S.–Australia treaty documents
- IRS: Foreign tax credit
- IRS: FBAR
- IRS: Form 8938 and FBAR comparison
- ATO: Tax residency
- ATO: Foreign and worldwide income
Related: Moving to Australia From the U.S. · Australia–U.S. Tax Treaty Guide · Find an EA for Australia–U.S. Tax