Contractors: the ATO may now pre-fill your business income in your 2026 tax return

The core change is simple. Payments reported through the Taxable payments annual report (TPAR) can now flow directly into eligible contractor tax returns as pre-filled income.

Previously, that information was reported to the ATO, but it did not automatically appear in the contractor's return in the same way. The ATO has now expanded its pre-fill service so more of that reported payment information can appear automatically.

In practical terms, that means the ATO may already have part of your business income before your return is prepared. That changes the dynamic at tax time. Instead of the ATO seeing your figures only after lodgement, some of those figures may already be sitting in its system.

For honest businesses with good records, this should make tax time easier. It can reduce manual work, lower the chance of accidental omissions and make the return process more efficient.

But it also raises the standard. If the income in your books doesn't line up with the income the ATO already knows about, that gap is much more visible.

This change is especially relevant for two groups.

The first is contractors operating in industries where businesses are required to report contractor payments through TPAR.

The second is sole traders and individuals in business who receive income from clients that lodge TPARs.

If your income is reported by someone else, there is now a greater chance that income will show up automatically in your return.

The ATO has said the expanded pre-fill rollout is expected to help around 700,000 sole traders and individuals in business, with around $21 billion in reported contractor payments now flowing through the system.

TPAR reporting is most commonly associated with industries such as:

• building and construction
• courier and road freight
• cleaning
• information technology
• security, investigation and surveillance

That means many tradies, subcontractors, freelancers and service businesses are directly affected.

Timing matters.

Most businesses required to submit a TPAR have until 28 August each year to report contractor payments to the ATO. That means a large amount of the new pre-fill information will only become available from late August.

For contractors, that creates a simple practical point: lodging too early may mean your pre-fill information is incomplete.

The ATO's recommendation is to wait until after 28 August before lodging if you want the best chance of seeing more complete pre-fill data.

Pre-fill changes how tax returns are prepared. It doesn't change what needs to be declared.

That distinction is important.

Just because income appears automatically does not mean your return is finished. And just because income doesn't appear automatically does not mean it can be ignored.

The ATO has been very clear that pre-fill is not a complete record of all business income. Contractors still need to declare everything they earned, including income that may never show up in pre-fill at all.

That can include:

• platform work
• private client invoices
• cash jobs
• other business income not reported through TPAR

In other words, pre-fill is a helpful tool. It is not the finish line.

Let's say you're a contractor who worked for a mix of clients during the 2025–26 financial year.

You invoice a business client for several large jobs throughout the year. That business reports those payments in its TPAR. You also do some private work, a few smaller jobs, and some project work that isn't reported through TPAR at all.

When you sit down to prepare your tax return, the ATO may already show the TPAR-reported income as pre-fill. But your true income position also includes the private work, the smaller jobs and anything else not reported.

If you only transfer the pre-filled amount into the return, you could be leaving income out.

That's the trap. The pre-fill may look convincing because it feels official. But if it doesn't reflect the full business income, it isn't the final answer.

Pre-fill is not guaranteed to be perfect.

The ATO has acknowledged that the information may not always match your circumstances, and contractors can update pre-filled information where needed.

But there is an important condition. If you change a pre-filled amount, you'll need to provide a reason and should have documentation to support it.

That means this is not a case of casually editing numbers because the figure looks too high or doesn't feel right. If the ATO pre-fill is wrong, you need to know why it's wrong and be able to explain the difference.

Common reasons for mismatches can include:

• timing differences
• payments reported on a cash basis while your records are kept on an accrual basis
• incorrect reporting by the payer
• income recorded under a different entity or name
• incomplete bookkeeping on the contractor side

This is where strong records matter. If you don't have clean books, it's much harder to work out whether the ATO number is right, wrong or simply incomplete.

There is a temptation to think pre-fill reduces the need for bookkeeping.

It doesn't. In some ways, it does the opposite.

When the ATO already has part of your income picture, your records become the reference point for checking whether that picture is accurate. If your books are clean, current and complete, you can compare them against the pre-fill and move forward with confidence.

If your records are messy, incomplete or still sitting in a shoebox, pre-fill doesn't solve the problem. It just makes the problem easier to see.

A contractor should still have records supporting:

• all income earned, whether reported through TPAR or not
• expenses and deductions
• invoice timing and payment dates
• any adjustments made to pre-filled information

Your records should also help you answer a bigger question: does the return reflect the real story of the business? That's where good advice matters.

Before you lodge, there are a few practical steps worth taking.

If your records aren't up to date, fix that first. Pre-fill is only useful when you have something reliable to compare it against.

Your books should tell the real story of the business before you start preparing the return.

Look beyond what may appear in pre-fill. Include all income streams, not just the obvious ones. That means platform work, private clients, cash jobs and any other income earned through the business.

Once the pre-fill is available, check it properly. Don't assume it is right just because it appears in the system. And don't assume it is complete just because it looks neat.

The question is not simply, “What does the ATO show?” The better question is, “Does that match what the business actually earned?”

If the numbers don't match, stop and work out why. Is it a timing issue? A reporting error? A record-keeping gap? An income source missed entirely?

These differences are much easier to deal with before the return is lodged than after.

If you adjust a pre-filled amount, keep records that explain the reason. That documentation matters.

The ATO has made it clear that changes to pre-filled information should be supported. Good files make that process much easier.

If the ATO pre-fill doesn't line up with your records and you can't immediately explain why, don't guess. Speak with your accountant or adviser before lodging.

A return that is wrong because pre-fill was misunderstood can create far more work later than getting it right the first time.

One of the biggest misconceptions around pre-fill is that it makes good record keeping less important.

In reality, it makes good records more valuable.

Pre-fill helps the ATO and the taxpayer start from better information. But it does not replace the need to understand the business properly.

A strong bookkeeping system does more than support tax compliance. It helps you understand income, expenses, margins and cash movement. It helps you spot problems earlier. And it gives your accountant something useful to work from, rather than forcing a reconstruction exercise every year.

For contractors and sole traders, that matters even more now. If the ATO already has part of your income story, you need records strong enough to confirm the rest.

This is why we encourage business owners to keep bookkeeping current throughout the year rather than reconstructing everything at tax time. It reduces stress, improves accuracy and gives you better visibility over how the business is actually performing.

This change isn't just about convenience.

It's also about visibility.

The ATO has been steadily increasing its use of reported data to identify omitted income and detect businesses operating outside the system. Expanded pre-fill supports that broader direction.

For most contractors, the practical benefit is a smoother tax time. For the ATO, it also creates a clearer, more real-time picture of business income.

That means the gap between “what the business earned” and “what the ATO already knows” is getting smaller.

For honest businesses, that's not something to fear. It's something to prepare for properly.

This is the main mindset shift.

Pre-fill can make tax time easier. It can reduce admin, improve accuracy and help contractors lodge with more confidence.

But it should be treated as a starting point, not the final answer.

The ATO itself has said contractors should verify pre-fill against their own records and declare all business income. That's the right lens.

Use pre-fill to check the return. Don't use it to excuse an incomplete one.

For Wakefield Pacific clients, our approach is straightforward: we compare what the ATO knows with what the business records show, then work through any differences before lodgement. That gives the return a much stronger footing.

Your records → ATO pre-fill → compare the two → investigate differences → prepare the return.

It also means fewer surprises later.

For many contractors, the issue won't be understanding the headline. It will be making sure the return reflects the full income position accurately.

That is where good advice still matters.

We can help review your bookkeeping, check the ATO pre-fill against your records, identify income that may be missing and make sure your 2026 tax return is prepared properly.

We can also help if your books aren't where they should be. If your records are behind, inconsistent or still being pieced together at the end of the year, it's better to deal with that now than wait for a problem to surface later.

The role of a good adviser is changing. Software and pre-fill can move numbers around faster than ever. But they don't replace judgement. They don't replace context. And they don't replace the need to understand what the numbers are actually saying about the business.

If you want help reviewing your contractor income, checking whether pre-fill matches your records, or preparing your 2026 return properly, talk to our team before lodging.

If you're unsure whether the numbers in your return match the story of the business, that's a conversation worth having before lodgement.

These are some of the most common questions contractors and sole traders are likely to have about the change.

The TPAR is a report some businesses lodge with the ATO to report payments made to contractors. For Tax Time 2026, information reported through TPAR can now appear as pre-filled income in eligible contractor tax returns.

No. Pre-fill may include payments reported through TPAR, but it is not a complete record of all business income. You still need to declare all income, including platform work, private clients, cash jobs and other income not reported through TPAR.

Most businesses required to submit a TPAR have until 28 August each year to report contractor payments. That means much of the new pre-fill information will only be available from late August, so waiting until after that date gives you the best chance of seeing more complete pre-fill information.

You can update pre-filled information where it doesn't reflect your circumstances, but you will need to provide a reason and should have documentation to support the change.

No. If anything, good records matter more. Your books are what allow you to check whether the ATO's pre-filled information is accurate, complete and consistent with the business's real income position.

Contractors in TPAR-reporting industries are the most directly affected, including building and construction, courier and road freight, cleaning, information technology, and security, investigation and surveillance.