GAAR Explained: What Tax Transactions the CRA Considers Avoidance

Section 245 of the Income Tax Act — the General Anti-Avoidance Rule (GAAR) — is one of the most powerful tools in CRA's arsenal. It allows CRA to deny tax benefits that arise from transactions that technically comply with the letter of the law but that abuse or misuse the purpose behind it. For Calgary incorporated businesses undertaking corporate reorganizations, estate freezes, or surplus stripping strategies, GAAR exposure is a real risk that must be assessed before implementation. GAAR was significantly strengthened in 2024 — including a new 25% penalty — making it more important than ever to understand where legitimate planning ends and avoidance begins. GAAR assessments are conducted through the expanded powers described in our guide to the CRA audit process in Canada.

1. The Three-Part GAAR Test

For GAAR to apply, CRA must establish three elements:

1. There is a tax benefit — a reduction, avoidance, or deferral of tax that would not otherwise arise
2. There is an avoidance transaction — a transaction that is primarily motivated by obtaining a tax benefit (rather than a bona fide non-tax purpose)
3. The transaction is abusive — it abuses the provisions of the Act read in light of their object and spirit, or the tax treaty applied

All three must be present. A transaction with legitimate business purpose is not caught by GAAR even if it produces a tax benefit. And a transaction motivated by avoiding tax is not caught if it does not abuse the purpose of the provisions it relies on.

This three-part test has been the subject of extensive litigation since GAAR was first enacted in 1988. The Supreme Court of Canada has addressed it in a series of landmark decisions — Stubart (1984, pre-GAAR), Canada Trustco (2005), Mathew (2005), Lipson (2009), and Deans Knight (2023) — progressively refining what constitutes "abuse" and how courts should identify Parliament's object and spirit in specific provisions.

2. What Makes a Transaction "Abusive"?

The abuse test is the most contested element. Courts have held that a transaction is abusive when it produces a result that is inconsistent with the purpose of the provision that provides the benefit — when the taxpayer relies on technical compliance while defeating the legislative intent.

Examples of transactions found abusive by courts include: using stop-loss rules to create artificial losses through related-party transactions; manipulating the surplus accounts of a corporation before an acquisition to strip gains tax-free; and structuring share redemptions to convert dividends into capital gains to take advantage of the lower inclusion rate where the provisions were not designed to permit such a conversion.

3. Economic Substance and the 2024 Test

The 2024 amendments codified an economic substance framework into GAAR. Where a transaction lacks economic substance — meaning there is no genuine commercial impact, no real change in economic position, or the steps are circular — this is now explicitly relevant to the abuse analysis.

CRA can weigh factors including:

• Whether the transaction changes the taxpayer's economic position in a meaningful way
• Whether there are business reasons independent of tax motivating the transaction
• Whether the transaction involves offsetting positions that neutralize economic risk
• Whether the transaction mirrors or reverses itself in a way that leaves no genuine net economic change

4. The New 25% GAAR Penalty

Prior to 2024, GAAR carried no penalty — the consequence was merely denial of the tax benefit, plus interest. The 2024 amendments added a 25% penalty on the tax benefit arising from an abusive avoidance transaction. On a $200,000 tax benefit, that penalty alone is $50,000 — on top of the denied benefit and compounding interest. This penalty can only be avoided if the taxpayer demonstrates the transaction was not primarily motivated by the tax benefit, or had reasonable grounds to believe GAAR would not apply.

GAAR Consequence	Pre-2024	Post-2024 (new transactions)
Tax benefit denied	Yes	Yes
Interest on denied benefit	Yes	Yes
GAAR penalty	No	25% of denied benefit
Extended limitation period	Normal	+3 years for GAAR assessments

5. What GAAR Does Not Reach

Not every tax-motivated transaction triggers GAAR. The Income Tax Act is full of provisions specifically designed to provide tax benefits — RRSP deductions, capital gains exemptions, dividend tax credits, incorporation savings — and using these provisions as intended is not avoidance. GAAR is specifically targeted at transactions that exploit technical provisions in a manner Parliament did not intend. Properly structured transactions with genuine business purpose generally do not attract GAAR risk. Calgary business owners who undertake corporate tax planning using standard mechanisms — the small business deduction, LCGE planning, section 85 rollovers — are typically well within the bounds of legitimate planning.

6. Tax Avoidance vs. Tax Planning: Drawing the Line

Understanding where legitimate planning ends and GAAR-vulnerable avoidance begins requires examining the nature and purpose of the arrangement. Calgary incorporated businesses frequently encounter this question in the context of corporate tax planning — salary/dividend splits, holding company structures, and estate freezes all warrant careful GAAR analysis.

Characteristic	Legitimate Tax Planning	GAAR-Vulnerable Avoidance
Primary purpose	Commercial, personal, or estate objective	Obtaining a tax benefit
Economic substance	Real economic change; risk, investment, or obligation	Circular transactions; no pre-tax economic impact
Use of provisions	Uses provisions as Parliament intended	Uses provisions in a manner inconsistent with their purpose
Transaction form	Form reflects economic substance	Form chosen solely to access a tax attribute
Third-party availability	Would be undertaken by a tax-indifferent party	No rational basis absent tax benefit

7. How Taxpayers Can Plan Safely

The 2024 amendments do not prohibit tax-efficient planning — they prohibit abusive avoidance. Taxpayers can reduce GAAR risk through several approaches:

• Ensure commercial substance: Every step of a tax-motivated structure should have a genuine economic purpose that could justify it independent of the tax benefit. Structures that only make sense if the tax works as intended are vulnerable.
• Use provisions as intended: The RRSP deduction was designed to encourage retirement savings, not to generate tax losses through complex schemes. Using provisions for their intended purpose insulates against GAAR.
• Document the non-tax purpose: When business restructurings also produce tax efficiency, document the business rationale thoroughly and contemporaneously. CRA and courts give significant weight to non-tax business purposes where they are established by objective evidence.
• Disclose uncertain transactions: The mandatory disclosure rules (also expanded in Bill C-59) and the new GAAR penalty both incentivize voluntary disclosure of novel or aggressive positions before CRA raises the issue.
• Get advice on complex structures: Multi-step corporate reorganizations, surplus stripping arrangements, and transactions involving related parties in unusual structures warrant careful review before implementation.

8. Common Legitimate Structures That Are Not GAAR Targets

Most routine tax planning undertaken by Canadian businesses and individuals is entirely legitimate and not at GAAR risk. The following structures are well-established, used as Parliament intended, and generally safe:

• Incorporation and the small business deduction: Incorporating a business and accessing the small business deduction on active business income up to $500,000 is exactly what Parliament intended.
• Lifetime Capital Gains Exemption planning: Structuring the ownership of a small business corporation to ensure LCGE availability on a future sale — including purifying the corporation to meet the prescribed tests — is standard planning.
• Income splitting through legitimate structures: Paying reasonable salaries to family members who perform genuine services for a business is entirely legitimate (subject to reasonableness standards).
• Section 85 rollovers: Transferring assets to a corporation at an elected amount to defer recognition of accrued gains is an explicit statutory mechanism and its use is entirely proper.
• Estate freezes: Freezing the growth in a business's value using preferred shares so that future appreciation accrues to the next generation is well-established planning.

9. Working with Swift Accounting on GAAR Risk Assessment

Any complex tax planning transaction — corporate reorganizations, estate freezes, surplus stripping strategies, income splitting arrangements — should be reviewed for GAAR risk before implementation. Our tax professionals assess proposed transactions for GAAR exposure and work with tax lawyers on opinions for high-stakes planning. Contact us before implementing any strategy that relies on technical provisions in a non-obvious way — the 2024 penalty regime makes pre-implementation review essential.