Form 4506: Request for Copy of Tax Return (2026 Guide)

While most Aussies will never touch a U.S. tax form, a growing minority do—either as U.S. citizens abroad, investors, or business owners. Here’s when you might need a copy of your past U.S. tax return:

• Mortgage or loan applications: Many U.S. and global banks require proof of U.S. income or tax compliance.

• Immigration and visa processes: U.S. authorities (and sometimes Australian ones) request past tax returns for visa renewals or green card applications.

• Business due diligence: Selling a company or forming partnerships with U.S. entities often requires showing old tax filings.

• Tax compliance checks: The ATO and IRS increasingly share data. If records are missing, you may need official copies to prove your status.

Form 4506 is the IRS’s solution. Unlike transcripts (which show summaries), Form 4506 gives you a full copy of the actual return—including attachments and schedules.

The IRS regularly tweaks its forms and processes. For 2026, a few changes stand out:

• Fee increase: As of January 2026, the cost per return copy is USD $50 (up from $43 in 2024). This reflects the IRS’s cost-recovery push.

• Digital submission expanded: While paper forms are still accepted, the IRS e-Services portal now allows secure digital submission for Form 4506, speeding up processing and reducing postal delays for Australians.

• Processing times: The IRS warns of ongoing delays, especially for international requests. Expect 60–90 days for delivery—so plan ahead for loan or visa deadlines.

• Privacy controls: The form now includes enhanced identity verification steps, which may require digital ID upload if you submit online from overseas.

Getting it right the first time saves weeks of back-and-forth. Here’s a step-by-step guide tailored for Australians:

• Download the latest Form 4506 from the official IRS website (irs.gov). Check the revision date—2026 forms have a dedicated digital submission code.

• Enter your details exactly as shown on the original tax return—names, addresses, and U.S. tax identification numbers (TIN or SSN).

• Specify the tax year(s) and type of form (e.g., 1040 for individuals, 1120 for corporations).

• Tick the box for full copies, not just transcripts. Attach proof of identity if submitting digitally.

• Pay the fee (USD $50 per return). For digital submissions, use a credit/debit card. For paper forms, include a U.S. cheque or international money order.

• Send via secure method: For paper, use an international courier with tracking. For digital, follow the portal instructions and save the confirmation number.

Keep in mind: the IRS will only mail paper copies to the address listed on your latest return, or to a third party with your explicit written consent. If your address has changed, include proof (like a passport or utility bill).

• Jenny, a dual citizen in Sydney, needed three years of U.S. tax returns to refinance her U.S. property. She used Form 4506 online and received certified copies in 11 weeks.

  • Mark, an Aussie entrepreneur, was finalising a U.S. venture capital deal. The investors required his 2022 and 2023 IRS returns. He submitted Form 4506 and attached a digital passport scan, expediting approval.

  • Priya, on a U.S. work visa, lost her 2021 W-2 and return in a move. Her immigration lawyer used Form 4506 to retrieve official records for her green card renewal.

• Double-check all details: Even a typo can trigger a rejection and months of delays.

  • Plan for long lead times: Start the process at least 3 months before any critical deadlines.

  • Keep digital and physical records: Once received, scan the copies for your files and store originals securely.

  • Beware of third-party services: Only use the official IRS channels to avoid scams or overcharging.