Treadstone Associates
Ask an Expert · 4 min read

Does a business sale ever need federal approval, even when it's far below every dollar threshold?

Two separate gates in the Investment Canada Act run on no dollar figure whatsoever — and one of them can extend the deadline on an otherwise routine review.

Treadstone Associates · Updated 2026

Short answer

Yes. Two Investment Canada Act mechanisms apply to a foreign buyer regardless of deal size — a discretionary review for a prescribed cultural-heritage business under s.15, and a national security review under Part IV.1 — and neither one is switched off by clearing, or by falling under, the ordinary net-benefit dollar thresholds. A deal can be too small to need net-benefit approval and still be ordered up for review under either provision.

The cultural-business review has its own switch, not a dollar one

Section 15 of the Investment Canada Act reads: “An investment subject to notification under Part III that would not otherwise be reviewable is reviewable under this Part if (a) it falls within a prescribed specific type of business activity that, in the opinion of the Governor in Council, is related to Canada's cultural heritage or national identity; and (b) within 45 days after the certified date … the Governor in Council … issues an order for the review of the investment, and … the Director sends the non-Canadian … a notice for review.” The trigger is the type of business, not its size — a routine notification filing on an ordinary-looking small deal can still land inside that 45-day window if the target's activity is prescribed as cultural.

National security review applies to any investment, at any size

Section 25.1, which opens Part IV.1, states: “This Part applies in respect of an investment, implemented or proposed, by a non-Canadian (a) to establish a new Canadian business; (b) to acquire control of a Canadian business in any manner described in subsection 28(1); or (c) to acquire … an entity carrying on all or any part of its operations in Canada” if that entity has a place of operations, employees, or assets in Canada. There is no dollar figure anywhere in that provision. It can also run in parallel with an ordinary net-benefit review rather than replace it: under s.21(2), if a national-security notice under s.25.2(1) issues before the usual 45-day net-benefit deadline, that deadline is itself extended to run 30 days past the end of the security review's own prescribed period.

Where this plays out in the Case Files

Sources

  • • Investment Canada Act, R.S.C. 1985, c. 28 (1st Supp.), s.15 — the discretionary cultural-business review, independent of any dollar threshold. Fetched and confirmed against the marginal note “Other reviewable investments.”
  • • Investment Canada Act s.25.1 — the scope of Part IV.1 (national security review) — applies to any investment by a non-Canadian, with no dollar figure in the section.
  • • Investment Canada Act s.21(2) — the net-benefit deadline extension that is triggered when a s.25.2(1) national-security notice issues.
  • • No Treadstone Law page addresses discretionary or national-security review under the Investment Canada Act. Treadstone Law's published coverage is general Ontario business and corporate law and does not reach this federal mechanism, so none of its pages is cited here rather than force an adjacent link that does not genuinely cover the topic.

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