Trust Tax Return Due Dates 2026 Australia

This article was first published in November 2025. Tax rules, rates and thresholds may have changed since then, so please check the current position or ask us before acting.

Are you prepared for your 2026 trust tax return in Australia?

With multiple ATO deadlines based on trust income, structure, and prior lodgements, it’s easy to fall behind. Planning early helps you stay compliant and avoid penalties.

In this guide, we cover trust tax return due dates 2026, payment timelines, extensions, and expert tips to help trustees stay on track.

Key Takeaways

• Trust tax returns report income, deductions, and distributions to the ATO
• Deadlines vary based on trust size and compliance history
• Payment due dates depend on when the return is lodged
• Extensions are available through registered tax agents
• Lodgement can be done online, via agent, or paper

What Is a Trust Tax Return?

A trust tax return is lodged with the Australian Taxation Office (ATO) by the trustee to report:

• • Total income (including capital gains & foreign income)
• • Allowable deductions
• • Distribution of income to beneficiaries

Even if beneficiaries haven’t received income, they must still declare their share in their personal tax return.

Trust Tax Return Due Dates 2026 (Australia)

Here are the key ATO deadlines:

31 October 2025
Trusts with overdue prior-year returns

31 January 2026
Large/medium trusts (income > $10M) – taxable

28 February 2026
Large/medium trusts – non-taxable or new registrants

31 March 2026
Trusts with tax liability ≥ $20,000

15 May 2026
Most trusts (final lodgement deadline)

Eligible trusts may get an extension until 5 June 2026

Trust Tax Payment Deadlines 2026

Payment deadlines depend on when your return is lodged.

For trusts due 15 May 2026:

• Lodged on/before 12 Feb 2026 Pay by 21 March 2026
• Lodged 13 Feb – 12 March 2026 Pay by 21 April 2026
• Lodged after 13 March 2026 Pay by 5 June 2026

For other lodgements: Payment is generally due 21 days after assessment

How to Get an Extension

Need more time to lodge?

You can apply through a registered tax agent.

Key Points:

• Extensions are not automatic
• Must be requested before the due date
• Many trusts qualify for the 5 June concession

Working with a professional ensures accurate and timely approval.

What Happens If You Miss The Deadline?

Missing your trust tax return deadline can result in:

• Late lodgement penalties
• Interest on unpaid tax
• Increased ATO scrutiny

Interest is often calculated from 31 October 2025

How to Lodge Your Trust Tax Return
1. Online via SBR Software

Fast and efficient
Tools like Xero or MYOB

2. Through a Registered Tax Agent

Ensures compliance
Helps with planning and extensions

3. Paper Lodgement

Manual ATO submission
Slower and less efficient

How Trust Income Is Taxed

Trust income is generally taxed in the hands of beneficiaries:

Based on entitlement proportion
Applies even if income is not received

Special Cases:

• • Minors
• • Non-residents
• • Undistributed income (taxed to trustee)

Common Mistakes to Avoid

• Not reporting all income
• Incorrect distributions
• Missing deductions
• Misusing tax credits
• Lodging late

Maintain accurate records and seek expert advice.

Why Choose Supertax?

Managing trust tax returns can be complex—but we make it simple.

At Supertax, we help you:

• Lodge on time and avoid penalties
• Maximise deductions and tax efficiency
• Stay compliant with ATO requirements
• Manage bookkeeping, BAS, and tax in one place

Get in Touch

Ready to simplify your trust tax return?

• Suite 1, 7 Bridge St, Werribee Victoria 3030, Australia
• (03) 7074 8818
• info@supertax.com.au

https://supertax.com.au/

FAQs
What is the due date for 2026?

Most trusts must lodge by 15 May 2026, unless earlier deadlines apply.

Can I extend my deadline?

Yes, through a registered tax agent (often until 5 June 2026).

What if I miss the deadline?

Penalties and interest may apply. Lodge ASAP and seek advice.

Do family trusts need to lodge?

Yes, if they earn income or hold taxable assets.

This article contains general information only and does not take your personal circumstances into account. Tax and superannuation rules change, and some measures discussed may be subject to legislation. Speak with a registered tax agent before acting.