Anonymised, illustrative composite. Three CBCA provisions with one consequence, and the clock everyone assumes has expired has not started.
At a glance
A family office took a 22% stake in a CBCA-incorporated environmental-services company from a founder who was retiring, at $1,150,000. It was explicitly a passive holding: no board seat, no management role, an information-rights letter and nothing more. See what belongs in a shareholder agreement before you buy.
Diligence covered the financials, the customer contracts and the environmental permits properly. The corporate records were left to a post-closing delivery undertaking, which is common on a minority purchase and is where this file goes wrong. The certificate the buyer received bore the company's name, the buyer's name, the number and class of shares, and nothing else — which happens to be precisely what CBCA s.49(7) requires and no more. The minute book arrived on day nineteen. It contained a unanimous shareholder agreement signed six years earlier by the three then-shareholders.
The agreement was not a conventional shareholders' agreement with buy-sell and drag-along terms. It was a unanimous shareholder agreement: it removed from the board, and vested in the shareholders acting by 75% majority, the power to approve any capital expenditure over $250,000, to declare dividends, and to appoint or remove the chief executive.
The buyer had two problems at once and only noticed the first. It was bound by an agreement it had not negotiated — and it had acquired the duties of a director in a company whose operations it had no intention of supervising.
$1,150,000 for 22%, on an enterprise value of $5,230,000. The USA's 75% threshold means the buyer's 22% is not a veto and not a swing vote; commercially the agreement gave it nothing. What it gave it was exposure: a company running $3,100,000 of annual payroll, in a sector where a single remediation liability can move faster than a board meeting.
The rescission right, if exercised, unwound a $1,150,000 purchase in full. That is the whole transaction, not a price adjustment — which is what made it worth having and what made it awkward to use.
Three provisions, and the sequence matters. Section 146(3), under the marginal note Constructive party, provides that “A purchaser or transferee of shares subject to a unanimous shareholder agreement is deemed to be a party to the agreement.” No knowledge, no signature, no accession deed. The deeming is unconditional on its face.
Section 146(5) supplies the consequence that a passive investor does not expect. To the extent a USA restricts the directors' powers, the parties given that power “have all the rights, powers, duties and liabilities of a director of the corporation, whether they arise under this Act or otherwise, including any defences available to the directors, and the directors are relieved of their rights, powers, duties and liabilities, including their liabilities under section 119, to the same extent”. Duties and liabilities travel with the power. The word including in front of section 119 is doing real work in a company with a payroll.
The escape is s.146(4): “If notice is not given to a purchaser or transferee of the existence of a unanimous shareholder agreement, in the manner referred to in subsection 49(8) or otherwise, the purchaser or transferee may, no later than 30 days after they become aware of the existence of the unanimous shareholder agreement, rescind the transaction by which they acquired the shares.” The clock runs from awareness, not from closing. A deal team that finds a USA in a minute book on day nineteen has not missed anything — it has just started a thirty-day window that closes on day forty-nine. The instinct to treat the discovery as bad news arriving too late is exactly backwards.
The reference to s.49(8) is what makes the notice question answerable. That subsection provides that a restriction, charge, lien, hypothec, agreement or endorsement in the listed paragraphs — and paragraph (c) is “a unanimous shareholder agreement” — is not effective against a transferee with no actual knowledge of it “unless it or a reference to it is noted conspicuously on the security certificate”. A certificate that says nothing is the mechanic of this file, in one line.
Read together the provisions pull in different directions, and honestly stating that is more useful than resolving it: s.146(3) deems the buyer a party, while s.49(8) makes an unnoted USA ineffective against a transferee without actual knowledge. That tension is precisely why s.146(4) exists and why it is time-limited — the Act gives the buyer a short, decisive election rather than an argument.
The buyer served a s.146(4) rescission notice on day twenty-six, in time and deliberately early, as a preserving step rather than a decision. That converted a governance surprise into a negotiation with a fixed deadline attached to the other side's cash.
It settled inside the window. The USA was amended to exclude the buyer's class from the shareholder-management provisions, so that the buyer neither votes on nor bears responsibility for the displaced board powers — which removes it from the reach of s.146(5) for those matters. New certificates were issued with the USA noted conspicuously on the face, as s.49(8) contemplates. The price was reduced by $60,000 for the delay and the legal cost, and the rescission notice was withdrawn on completion of the amendment.
Change the holding from certificated to book-entry and the file becomes much harder for both sides. There is no certificate to bear a conspicuous notation, so s.49(8)'s route is simply unavailable and the words “or otherwise” in s.146(4) carry the whole notice question. The thirty-day clock then turns on a factual dispute about what the buyer was told and when — a disclosure email, a data-room index entry, a sentence in a diligence call — rather than on a document anyone can look at. Uncertificated holdings do not make the USA less binding; they make the escape harder to prove.
This file is the buyer's own position and nothing else. It is not about a transfer restriction that was never noted on a certificate, which is a different provision doing different work, and it is not about a legacy agreement that leaves a departing vendor in control of the board after closing. Those are separate mechanics with separate consequences.
A blank share certificate on a private company that has had three or more shareholders for years. Section 49(7) tells you what a certificate must say and it is a short list; anything a company wants to bind a transferee to has to be added deliberately, and most private companies never do it. The second tell is a minute-book delivery undertaking on a minority purchase — the one class of document that decides whether the buyer is a party to something is the one class routinely deferred to after closing.
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