Reduce Your Tax Withholding With the T1213: A Smarter Way to Manage Cash Flow
If you’re contributing regularly to an RRSP or paying for childcare, medical expenses, or interest on investment loans, you might be eligible to have less tax withheld from your paycheque. But most people don’t take advantage of it.
That’s where the T1213 form comes in.
Long story short – this form can reduce the withholding tax on each of your pay cheques so it is easier to make RRSP contribution each month
but you must commit to it in advance each year by submitting a form to CRA. If you do not follow through, they may refuse to approve it in the future. The T1213 is a lesser-known, but incredibly useful, tool that helps individuals smooth out their cash flow over the year, rather than waiting for a refund come tax time.
What Is the T1213 Form?
The T1213, formally known as the “Request to Reduce Tax Deductions at Source,” allows you to apply to CRA for permission to reduce the amount of income tax your employer withholds from each paycheque.
Why would you want that? Because you’re already making contributions or payments that lower your overall tax bill — things like:
- Regular RRSP contributions (via automatic deposits or through a group plan)
- Childcare expenses
- Interest on money borrowed for investment purposes
- Support payments
- Charitable donations
- Medical expenses
- Investment Management charges (such as advisory fees in non-registered accounts)
The CRA doesn’t know about most of these until you file your return — so they withhold as if you’re not doing any of them. The T1213 corrects that earlier.
Why Most People Don’t Use It
The form itself is a bit of a relic — a paper submission (yes, still) with vague instructions. It has to be submitted each year, and CRA doesn’t promote it heavily. But it works — and for the right person, it can make a meaningful difference.
Say you’re contributing $24,000 a year to your RRSP. At a 40% marginal tax rate, that’s a $9,600 refund when you file your return. But that’s money you didn’t need to give the government in the first place. With a T1213, you could instead have an extra $800/month in your pocket, year-round.
That kind of flexibility can be used to:
- Increase TFSA contributions
- Pay down debt more aggressively
- Build a larger emergency fund
- Simply improve your monthly cash flow
And if you’re contributing through payroll (i.e., a group RRSP), you might not even need to file the form — your employer may be able to adjust your withholding directly.
A Few Things to Know:
- You usually apply once per year, ideally in the fall for the upcoming calendar year.
- The form must be approved by CRA before your employer can stop withholding — plan ahead.
- If you stop making the claimed contributions (e.g., reduce RRSP deposits), you need to inform CRA.
One of the most overlooked use cases is for individuals who borrow to invest in a non-registered account. The interest on the loan is deductible — but CRA won’t factor that into your monthly withholding unless you request it.
Work With Your Accountant (or Let Me Coordinate)
The T1213 isn’t a replacement for smart planning — it’s a complement. You’re not reducing your total tax bill, just the timing of how it’s paid. That means you need to be confident in the deductions you’ll be claiming.
This is where it helps to loop in your accountant. I can work directly with them to ensure the numbers are accurate and your submission is smooth. We’ll also make sure it fits into the rest of your strategy, so you’re not just chasing short-term relief at the expense of long-term goals.
Disclosures:
Important information about mutual funds is found in the Fund Facts document. Please read this carefully before investing. Commissions, trailing commissions, management fees and expenses all may be associated with mutual fund investments. Mutual funds are not guaranteed, their values change frequently, and past performance may not be repeated. Unit values and investment returns will fluctuate.
The information provided is based on current laws, regulations and other rules applicable to Canadian residents. It is accurate to the best of our knowledge as of the date of publication. Rules and their interpretation may change, affecting the accuracy of the information. The information provided is general in nature and should not be relied upon as a substitute for advice in any specific situation. For specific situations, advice should be obtained from the appropriate legal, accounting, tax or other professional advisors.
Reduce withholding. Invest the difference. Let your money work all year.
And remember: a big refund isn’t a win—it’s your money coming home late.
