DFK Tax Newsletter

Issue 1 - 2026 Edition - February 25, 2026 - Thomas Nykoluk, CPA, Craig Ross

Avoiding TFSA Pitfalls: Over Contributions, Residency Issues, and Other CRA Traps

Since their introduction in 2009, Tax-Free Savings Accounts (TFSAs) have become a staple in Canadian financial planning, offering a straightforward way for individuals to grow their savings without the drag of taxes on investment income or capital gains. The flexibility of TFSAs, which allow for tax-free withdrawals at any time and for any purpose, has made them especially popular among clients of all ages. Yet, this flexibility can also create traps for those who are not careful, leading to costly compliance issues that often catch even experienced taxpayers and advisors by surprise.

This article focuses in on some of the most frequent and expensive TFSA pitfalls: over-contributions, residency complications, and the less obvious ways in which the Canada Revenue Agency (CRA) can impose penalties. Given the complex legislative framework and the CRA’s evolving administrative approach, it’s more important than ever for tax professionals to be proactive.

Over-contributions

TFSA over-contributions remain a common issue for both individuals and their advisors. Over-contributions occur when a taxpayer’s total contributions to all their TFSAs exceed their available contribution room at any time during the year. Contribution room is calculated as the sum of the annual TFSA dollar limit for the year, any unused contribution room carried forward from previous years, and withdrawals made in the prior year (excluding certain transfers). Also, investment losses within a TFSA do not create additional contribution room, and replacing a loss is considered a new contribution, potentially leading to an over-contribution.

The risk of over-contribution is increased for clients with multiple TFSAs, as the contribution room is an aggregate limit across all accounts. Re-contributing a withdrawal in the same calendar year without sufficient room, or failing to track contributions across multiple institutions, are common sources of error.

When an excess TFSA amount exists, a penalty tax of 1% per month applies to the highest excess amount in each month, as set out in section 207.02 of the Income Tax Act. This tax continues until the excess is withdrawn or absorbed by new contribution room in a subsequent year. Deliberate over-contributions may also trigger a 100% tax on income or gains attributable to the excess, under the “advantage” rules (See External T.I. 2008-0305231E5).

Non-Resident Contributions

Non-resident contributions to a TFSA are a common pitfall for Canadians who move abroad. Once an individual becomes a non-resident for Canadian tax purposes, they may retain their existing TFSA, and any income or gains earned in the account remain tax-free in Canada. However, non-residents of Canada cannot accumulate new TFSA contribution room for any year in which they are non-resident throughout the year, and any withdrawals made while non-resident will only be added back to contribution room if and when Canadian residency is re-established.

The most significant trap is the 1% per month tax imposed on any contributions made while non-resident, other than qualifying transfers or exempt contributions. This tax is calculated on the amount of the non-resident contribution and continues to apply for each month the contribution remains in the account, until the full amount is withdrawn or the individual regains Canadian residency. Also, if the non-resident contribution also exceeds available TFSA room, a second 1% per month tax applies on the excess amount, resulting in a double penalty. Practitioners should advise clients to avoid TFSA contributions while non-resident and to monitor residency status closely to prevent inadvertent tax exposure.

Business Activity Within a TFSA

A critical but often overlooked risk is that a TFSA can lose its tax-exempt status on income if it is found to be “carrying on a business.” In Ahamed v The King, 2023 TCC 17, the Tax Court of Canada decided that a TFSA loses its tax-exempt status if it is used for frequent, business-like trading of investments. In this case, the taxpayer’s TFSA was actively buying and selling stocks in a manner similar to a business, rather than simply holding investments passively. The Court found that, under the Income Tax Act, income earned from such business activity inside a TFSA is taxable.

Non-Qualified Investments

If a TFSA acquires or holds a non-qualified investment (i.e., property not listed as a qualified investment under the Act and Regulations), the account holder faces a penalty tax equal to 50% of the fair market value of the non-qualified investment at the time of acquisition or when it becomes non-qualified. This penalty is imposed under section 207.04 and is in addition to any tax on income or gains generated by the non-qualified investment, which are also taxable within the TFSA. If the non-qualified investment is disposed of promptly, a refund of the penalty may be available, but not if the holder knew of the non-compliance.

Conclusion

In today’s TFSA landscape, tax professionals, in tandem with their financial advisors, must proactively guide clients to avoid costly pitfalls. Over-contributions, non-resident contributions, business-like trading, and holding non-qualified investments can all trigger significant taxes and penalties. With the CRA’s active enforcement and audit focus on these areas, practitioners should emphasize diligent record-keeping, timely withdrawal of excess amounts, and careful monitoring of residency and investment activity. Educating clients on the risks and nuances of TFSA compliance is essential. By staying informed and vigilant, tax advisors can help clients maximize TFSA benefits while staying clear of errors that could risk long-term tax-free growth.

Sources:

  1. ITA s. 207.01 Definitions
  2. ITA s. 207.02 Tax payable on excess TFSA amount
  3. ITA s. 207.03 Tax payable on non-resident contributions
  4. Tax-Free Savings Account (TFSA), Guide for Individuals
  5. Owing tax on a TFSA - https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/tax-free-savings-account/owing-tax.html
  6. External T.I. 2008-0305231E5 - Deliberate TFSA over-contributions
  7. How non-residency affects your TFSA - https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/tax-free-savings-account/non-resident.html
  8. Excess TFSA amount correspondence explained - https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/tax-free-savings-account/tax-payable-on-tfsas/tfsa-excess-amount-correspondence-explained.html
  9. ITA s. 207.04 Tax payable on prohibited or non-qualified investment
  10. Ahamed v The King, 2023 TCC 17