Canadian tax rules have been slowly changing, and here are some tax moves you might want to make before the CRA closes the loopholes.
Tighter refund controls

You were once able to move a refund quite quickly, regardless of something being imperfect, as corrections were often handled later. But not anymore.
The CRA has created more upfront validation and fraud detection to ensure that returns are being checked more carefully, way before any money is issued back.
Any discrepancies could mean that the whole process slows down, and you may have to face a review instead. It’s much more important to make sure that you’re filing accurate and well-supported claims right from the start. The system won’t be as forgiving anymore.
Paper loopholes

The gap of paper-based delays is starting to close, so you won’t have as much breathing room anymore. The CRA is trying to encourage all Canadians to file through digital systems because it’s easier in terms of communication and verification. That makes the whole processing side of things a lot faster.
You’ll get any requests for information and follow-ups far quicker than you would’ve received them before, since these will come through online channels. But don’t worry. You simply need to make sure you keep your records organized and stay on top of any messages through the CRA’s systems.
The last date on the carbon rebate

Carbon rebate payments related to late tax filings now have a hard cutoff. In order to receive the Rebate, you’ll need to make sure your return is filed by October 30, 2026, as any filings after that date won’t trigger the payment.
It doesn’t matter whether you were otherwise eligible for the Rebate. Such a change is quite different from how flexible the Rebate was before, and anyone who has been putting off filing should be aware that the deadline really does matter now.
The family setup with more room

Certain family trusts have a newer threshold to deal with, starting with 2025 year-ends filed in 2026. The main change is for trusts that hold specific assets, like cash or GICs from Canadian banks, where all trustees and beneficiaries are related to each other.
The threshold will increase to $250,000, marking a significant change from older expectations. Any trust owners who have a trust that fits the criteria may be required to give more detailed reporting.
The bare trust that sits this one out

Bare trusts used to be an issue for quite a while. However, the CRA has temporarily pulled things back, and you’re no longer required to file a T3 return with Schedule 15 for taxation years after December 31, 2024. These must be before December 31, 2026.
As a result, many post-2024 year-end trusts won’t be required to file at all, although this is more of a pause than a cancellation. It’ll change what some Canadians will need to do right now.
Tighter compliance tracking

There are some people who continue to treat TFSAs as though they’re a free-for-all trading account, although they really shouldn’t. The CRA has been carefully watching these patterns. In fact, there have already been cases where they’ve reassessed accounts with frequent trades as business income, rather than staying tax-free.
It’s a similar issue with accounts that have short holding periods or consistent profits. The newer automated risk checks are being rolled out, so the CRA is picking up such patterns more quickly than ever before. You’re okay to still use your TFSA fully. But you’ll need to be careful as soon as the activity starts resembling a business.
AI-driven audits

Once upon a time, side income used to slip through the cracks, particularly when these profits were small or spread across platforms. That’s all changed. Now, the CRA receives a lot more third-party data directly from the platforms themselves, and they’ll use matching systems to compare what you report with what they already know.
Anything that doesn’t line up will stand out, including income from rideshares or short-term rentals. They’re making sure that every Canadian is compliant. To avoid any issues, you should make sure that you’re reporting everything now, especially given that these systems keep improving.
Cash income assumptions

No, cash income isn’t as invisible as some Canadians assume that it might be, as the CRA has started using indirect methods to check everything’s lining up neatly.
That includes reviewing bank deposits and spending patterns, alongside business margins, to check for any potential gaps. Your reported income needs to match your activity.
Businesses that operate heavily in cash will be reviewed in the same way, meaning that missing income may still appear, even without a paper trail. Keeping proper records and reporting everything is no longer as ‘optional’ as it once was. Now, you’ll need to be mindful because the checks are becoming more consistent.
Carrybacks/carryforwards

You can still use your losses to offset your gains, although these are now going to get far more attention during reviews, with capital losses continuing to potentially carry back three years or forward indefinitely. The change here comes with how the CRA views the creation and application of such losses.
Anytime that it seems as though you’re structuring things for tax reduction, rather than actual investment, is a problem. Don’t be surprised that the CRA might start asking questions.
The review process is far more detailed now, although you may be able to use legitimate losses while the rules remain.
Automatic filing

The way that automatic tax filing works is going to expand, and you’d be forgiven for thinking that these changes sound convenient. At least, at first.
The CRA has started testing systems that generate returns based on the information they already have, particularly for simpler cases, and these systems rely solely on available data.
They may not have access to information about every credit or deduction that you’re eligible to claim. Instead, you may want to try filing your own return. It could give you more control over what’s being included in your return, and that may end up being quite beneficial for you.
Favorable rules

Things are also changing for housing tax incentives, with some of the current benefits being connected to recent updates. The 2026 budget measures include expanding GST/HST rebates for certain new home purchases. Programs like the First Home Savings Account are changing, too.
Of course, your eligibility for these will depend on how your purchase is structured, as well as when it happens. You should know that the current setup may not stay the same. Better yet, you might want to take advantage of what’s available now and make sure that you’re working within the rules as they currently exist.
Real-time enforcement

One of the most important changes to be aware of is the fact that you can’t wait until after filing to deal with any issue. The truth is, the CRA has started building systems to flag risks earlier. That includes shortly after you’ve submitted a return, and it may lead to quicker reassessments or requests for supporting documents.
Essentially, the timeline between filing and review is far shorter than it used to be. You’re better off fixing things before filing so that you can avoid any sort of problematic situations.
Sources: Please see here for a complete listing of all sources that were consulted in the preparation of this article.