Passing every specific provision one step at a time is not a defence on its own. GAAR looks at the series, not just each move in it.
Short answer
Yes. Under subsection 245(2), where a transaction is an avoidance transaction, “the tax consequences to a person shall be determined as is reasonable in the circumstances in order to deny a tax benefit that, but for this section, would result, directly or indirectly, from that transaction or from a series of transactions that includes that transaction” — so a reorganization built entirely from individually valid steps can still be unwound where the series as a whole misuses or abuses the Act.
GAAR applies to a transaction that would not have been undertaken primarily for a bona fide purpose other than obtaining a tax benefit, and it can reach an entire series of transactions even where only one step in that series is an avoidance transaction. Subsection 245(4) then asks whether the tax benefit resulted from a misuse of a specific provision or an abuse of the Act read as a whole — a question about the object and spirit of the provisions relied on, not just their literal words.
A separate exposure runs in parallel: sections 237.3 and 237.4 require a reportable or notifiable transaction to be disclosed within 90 days where certain hallmarks are present, including a fee contingent on the tax benefit obtained. Failing to disclose carries its own penalty under section 245(5.1), independent of whether the underlying reorganization survives a GAAR challenge on the merits.
One file shows every individual step in a pre-sale reorganization surviving review on its own terms, and the whole series recharacterized anyway. A companion file shows the separate disclosure exposure that same reorganization would have triggered through its advisor’s fee structure, regardless of whether the plan itself actually worked.
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