Common Mistakes Business Owners Make in Canadian Corporate Reorganizations And How to Avoid Them
Corporate reorganizations fail for predictable reasons. Not unpredictable tax law changes, not obscure technical traps that only specialists can see coming, but the same set of errors that appear again and again a missed filing, a misunderstood deadline, a valuation skipped, an election incorrectly set. Most of these mistakes are avoidable with the right advice and enough lead time. Almost none of them are correctable after the fact.
A corporate reorganization in Canada uses specific provisions of the Income Tax Act the section 85 rollover, the section 86 estate freeze, and the section 55(3)(a) butterfly exemption, each of which has precise conditions that must be satisfied in a specific sequence. Missing one condition, or satisfying the conditions in the wrong order, can trigger capital gains that were never intended, generate a deemed dividend at ordinary income rates, or destroy LCGE eligibility on shares the owner planned to sell tax-free. The tax cost of getting it wrong can exceed the cost of the reorganization by an order of magnitude.
This article describes the most common mistakes Canadian business owners make in corporate reorganizations and what it takes to avoid each one. For a structured overview of what a corporate reorganization involves and when it makes sense, see Kalfa Law Firm’s guide to corporate reorganizations in Canada.
Starting the Reorganization After the Sale Is Already in Motion
The single most common and most damaging mistake in pre-sale planning is starting the reorganization too late. Business owners often assume that a corporate reorganization creating a holding company, doing an estate freeze, or cleaning up the share structure can be done quickly once a buyer has been found. In most cases, the opposite is true. The reorganization must precede the sale, and many of the most valuable planning tools have holding period requirements that make last-minute execution impossible.
For shares to qualify as qualifying small business corporation shares under section 110.6(1) of the Income Tax Act, they must not have been held by anyone other than the owner or a related person at any time in the 24 months before the disposition. A reorganization that creates new shares, new common shares for a family trust, new preferred shares in an estate freeze, and new shares issued in a section 85 rollover starts the 24-month clock. If those shares are sold before the 24 months expire, the lifetime capital gains exemption is not available on that sale, and a tax bill that could have been zero becomes substantial.
A business owner who receives an unexpected offer and calls a lawyer for the first time that week is unlikely to be able to implement a structure that preserves LCGE eligibility before the deal closes. The planning conversation needs to happen at least two years before any anticipated sale, ideally earlier, to leave room for the corporation’s asset mix to be addressed if passive assets have accumulated. For a stage-by-stage view of how reorganization planning fits into the overall sale timeline, see Kalfa Law Firm’s corporate reorganization timeline.
Filing the T2057 Election Late or Incorrectly
A section 85 rollover is not self-executing. It requires a joint election filed on Form T2057 by both the transferor and the corporation that must be filed with CRA by the filing deadline for the earlier of the two parties’ tax years in which the transfer occurred. In most cases involving an individual transferor, the deadline is June 15 of the year following the transfer, or six months after the corporation’s year-end if the corporation’s year ends earlier.
Missing the T2057 deadline is not a technicality that CRA overlooks. Late elections may be accepted, but only in certain circumstances and with a late-filing penalty of $100 per month up to a maximum of $8,000 for each of the transferor and the corporation. More seriously, a late election is not guaranteed to be accepted at all. If the election is rejected, the transfer is treated as a taxable disposition at fair market value, triggering the full capital gain. The rollover was designed to defer potentially hundreds of thousands of dollars of income recognized in a year when nothing was intended to be triggered.
Errors in the T2057 form are similarly consequential. The election must list each property transferred with an accurate description, state the elected amount for each property within the statutory range, and identify the consideration received for the shares and any boot. An incorrect elected amount, a missing property description, or a form filed with only one signature can result in the election being invalid. The T2057 must be prepared carefully, reviewed by the tax advisor before filing, and filed on time. There is no routine ability to amend a filed election after the fact, and late corrections require CRA’s agreement.
Setting the Elected Amount Incorrectly in a Section 85 Rollover
The elected amount in a section 85 rollover is the transfer price for tax purposes, the amount at which the transferor is deemed to have disposed of each property transferred to the corporation. It must fall within a range defined by the Income Tax Act. The floor is the higher of the fair market value of any non-share consideration received and the tax value of the property, the adjusted cost base for capital property, or the undepreciated capital cost for depreciable property. The ceiling is the fair market value of the property.
Setting the elected amount too high triggers a capital gain on the excess over the tax value of the property, an unintended and unnecessary gain realized in the year of the transfer. Setting it too low can create a situation where the transferor receives proceeds below the adjusted cost base on certain properties, triggering a loss in some cases or creating inconsistent results across a portfolio of properties. Setting it at a round number without checking it against each property’s specific tax value is one of the most common errors on T2057 elections, particularly where multiple properties are being transferred in a single rollover.
The elected amount must be set property by property, against the specific tax value of each asset. Goodwill, accounts receivable, equipment, and real property each have different tax values and different considerations. A correctly set elected amount for one property tells you nothing about the correct amount for another. This analysis is done by the tax advisor in coordination with the lawyer who is structuring the rollover, and it must be done before the election is filed, not after.
Skipping the Valuation Before an Estate Freeze
An estate freeze under section 86 of the Income Tax Act requires the business owner to exchange their growth shares for new preferred shares whose redemption amount is set at the current fair market value of the corporation. Getting that fair market value right is not optional it determines the redemption amount on the preferred shares, the paid-up capital of the new shares, and the cost of the new common shares issued to family members or a family trust.
Doing a freeze without a proper valuation creates several problems simultaneously. If the fair market value used is too low, the preferred shares are issued with a redemption amount below the true value of the corporation, and the excess value is transferred to the new common shareholders as a benefit to a non-arm’s-length person that can be recharacterized by CRA under the benefit rules in the Income Tax Act. If the fair market value used is too high, the preferred shares have an inflated redemption amount, and the founder’s estate exposure is locked in at a number that overstates the value of what they actually froze.
A freeze done without a valuation from a qualified professional, typically a chartered business valuator from the CBV Institute is not a completed freeze. It is a document that looks like a freeze but rests on an unverifiable number. CRA can challenge the valuation at any point, and if the FMV used is found to be incorrect, the entire share structure may need to be revisited. The cost of the valuation is a small fraction of the cost of getting the freeze wrong.
Allowing Passive Assets to Build Up and Erode QSBC Status
The lifetime capital gains exemption is not available on every set of shares in a private corporation. For shares to qualify as qualifying small business corporation shares under section 110.6 of the Income Tax Act, more than 90 percent of the fair market value of the corporation’s assets must be attributable to assets used principally in an active Canadian business at the time of the sale, and more than 50 percent of the assets must have been so used throughout the preceding 24 months.
A corporation that has accumulated passive investment assets (cash, GICs, a portfolio of securities, and land not used in the business over the years of profitable operation) may no longer meet the 90 percent active asset test by the time the owner wants to sell. A corporation at 85 percent active assets does not qualify. One at 75 percent certainly does not. The shares fail the QSBC test, and the LCGE is unavailable.
Fixing this problem is called purification. It requires moving passive assets out of the corporation by paying dividends, repaying shareholder loans, or transferring assets to a separate holding company in sufficient time before the sale to satisfy the 24-month active asset test for the 50 percent requirement. Purification that is attempted in the weeks before a sale closes is not purification in any meaningful sense. A business owner who has been building up retained earnings and investing them inside the corporation needs to check QSBC status periodically, not just at the moment a buyer appears.
Structuring a Butterfly Transaction as a Step Toward a Third-Party Sale
The section 55(3)(a) related-person butterfly exemption allows related shareholders to divide a corporation’s assets between themselves on a tax-deferred basis provided the reorganization is a genuine, permanent division between those related parties. It cannot be used as a step to facilitate a sale of one of the resulting corporations to an arm’s-length buyer.
Section 55(3.1) of the Income Tax Act contains anti-avoidance rules that retroactively deny the butterfly exemption if, as part of the same series of transactions, shares of one of the post-butterfly corporations are transferred to a person who deals at arm’s length with the original shareholders. A business owner who completes a butterfly to separate active business assets from passive investment assets and then sells the operating business to a third-party buyer shortly afterward, even years later, if CRA can establish that the sale was contemplated as part of the same series, may find that section 55(2) applies and that a large corporate-level capital gain arises from what was supposed to be a tax-free reorganization.
The butterfly is a powerful tool for genuine divisions between related parties. It is not a tax-planning technique for facilitating a sale to an unrelated buyer. Attempting to use it that way is one of the more expensive corporate reorganization errors that business owners make.
Failing to Update the Shareholder Agreement When Share Structure Changes
A corporate reorganization often creates new share classes, new shareholders, and new arrangements for how value and control are distributed within the corporation. An estate freeze creates preferred shareholders alongside common shareholders. A section 85 rollover into a holding company changes who holds what shares and in what capacity. A family trust becomes a shareholder with its own rights and obligations.
Existing shareholder agreements do not automatically update themselves to reflect these changes. A shareholder agreement drafted when the corporation had one class of shares and two shareholders will typically contain provisions about voting, transfer restrictions, shotgun clauses, drag-along rights, and pre-emptive rights that were designed for a different share structure. When the structure changes, those provisions may conflict with the new arrangement, fail to apply to the new shares, or produce outcomes the parties never intended.
A shareholder agreement that was not updated to reflect a share reorganization can cause serious problems in a future share sale, a shareholder dispute, or the death or disability of one of the owners. The lawyer completing the reorganization should review the existing shareholder agreement and advise on whether amendments are required before the new structure is finalized. Leaving this to after the fact is one of the more common omissions in reorganization work and one of the more avoidable sources of later conflict.
Expecting One Advisor to Handle Both the Corporate Law and the Tax Layer
A corporate reorganization in Canada has two distinct components that must function together correctly. The corporate law layer articles of amendment, share subscriptions, transfer agreements, corporate resolutions, and minute book documentation must reflect the steps taken in the exact sequence they occurred. The tax layer, the T2057 election, the elected amounts, the GRIP analysis, the RDTOH accounts, and the LCGE eligibility assessment must ensure that each step achieves its intended tax result.
These two layers require different expertise, and they require both. An accountant who handles the tax analysis and files the T2057 without a lawyer to prepare the share transfer agreement and update the articles of amendment produces a reorganization that works on paper at CRA but has no valid corporate law foundation. A lawyer who prepares the corporate documents without a tax advisor to set the elected amounts and confirm the GRIP balance produces documents that look correct but fail to achieve the intended tax outcome.
The common mistake is the belief that one advisor can carry the whole transaction. In some cases an accountant manages everything, and the corporate law documents are thin or missing. In other cases a lawyer structures the deal without sufficient tax input, and the T2057 is prepared separately without the lawyer having reviewed the elected amounts. Either way, the risk is that a gap between the legal and tax layers produces a result that neither advisor intended.
Both a corporate lawyer and a tax advisor are needed for every corporate reorganization that relies on section 85, section 86, section 55, or any other tax provision of the Income Tax Act. They must work together, with each understanding enough about the other’s work to catch problems before the transaction closes. A business owner who assembles that team from the start and gives the team enough lead time to work through the analysis is in a fundamentally different position from one who calls a lawyer three days before a signing.
Talk to a Lawyer Before Your Reorganization
The mistakes described here share a common feature. Each of them is easy to avoid with the right advice and enough time. None of them is easy to fix after the fact. A corporate reorganization that achieves its intended result, whether that is deferring tax on a rollover, preserving LCGE eligibility, dividing a business between family members, or preparing a corporation for a tax-efficient sale, requires a lawyer with corporate and tax expertise who has enough lead time to do the work correctly. Kalfa Law Firm advises Ontario business owners on the full range of corporate reorganization structures and coordinates the legal and tax layers from first concept to completion. Contact Kalfa Law Firm to book a free 15-minute consultation.
Shira Kalfa, BA, JD, Partner and Founder
Shira Kalfa is the founding partner of Kalfa Law Firm. Shira’s practice is focused in corporate-commercial and private M&A law including corporate reorganizations, corporate restructuring, mergers and acquisitions, commercial financing, secured lending and transactional law.
© Kalfa Law Firm | November 10, 2026
The above provides information of a general nature only. This does not constitute legal or accounting advice. All transactions or circumstances vary, and specified legal advice is required to meet your particular needs. If you have a legal question you should consult with a lawyer.
