Section 368(a) Corporate Reorganizations: Types and Tax Treatment

Section 368(a) of the Internal Revenue Code defines seven categories of corporate reorganizations that qualify for tax-deferred treatment, letting corporations and their shareholders exchange stock and assets without immediately recognizing gain or loss. The seven types are labeled (A) through (G): statutory mergers, stock-for-stock acquisitions, stock-for-asset acquisitions, divisive and acquisitive transfers, recapitalizations, changes in form or place of organization, and bankruptcy reorganizations. Fitting one of these patterns is necessary but not sufficient. Most acquisitive transactions must also satisfy four judicial and regulatory doctrines that the IRS and courts apply on top of the statute. Miss any piece and what was structured as a tax-free deal becomes a fully taxable sale, with capital gains for shareholders and potential double taxation at the corporate level.

The Seven Statutory Types

Types A, B, and C cover the vast majority of corporate acquisitions. Types D through G handle internal restructurings, changes in corporate form, and bankruptcies. Each carries mechanical rules that must be followed precisely.

Type A: Statutory Mergers and Consolidations

A Type A reorganization is a merger or consolidation carried out under federal or state corporate law. It’s the most flexible acquisition structure because the statute itself imposes no requirement that consideration be paid exclusively in voting stock and no minimum-assets test. In practice, the continuity of interest doctrine constrains how much cash and debt can be used.

Two variations let the acquiring corporation use a subsidiary rather than merging the target directly into itself. In a forward triangular merger under Section 368(a)(2)(D), the target merges into a controlled subsidiary of the acquiring parent, the subsidiary acquires substantially all of the target’s assets, the parent’s stock (not the subsidiary’s) serves as consideration, and the transaction must be one that would have qualified as a straight Type A merger had the target merged directly into the parent.¹

A reverse triangular merger under Section 368(a)(2)(E) runs the other direction: the parent’s subsidiary merges into the target, and the target survives as a subsidiary of the parent. Requirements are stricter. Former target shareholders must exchange an amount of target stock constituting “control” for voting stock of the parent, and the surviving corporation must hold substantially all of its own properties and those of the merged subsidiary. “Control” here means at least 80% of total combined voting power and at least 80% of the total shares of every other class of stock.¹

Type B: Stock-for-Stock Acquisitions

A Type B reorganization is the acquisition of one corporation’s stock by another, using solely the voting stock of the acquiror or its parent. The acquiror must hold control of the target immediately after the exchange, using the same 80% threshold.¹

The “solely for voting stock” requirement is the strictest in Section 368. No cash, no debt securities, no contingent payments. Even minor non-stock consideration blows the qualification. Because the acquiror only needs control after the exchange, it can already own some target stock going in. That makes “creeping” acquisitions possible: buying target shares over time until total holdings cross the 80% control line, provided the final exchange itself is entirely for voting stock.

Type C: Stock-for-Asset Acquisitions

A Type C reorganization is the acquisition of substantially all of the target’s assets in exchange for voting stock of the acquiror or its parent. The target must then distribute everything it received, along with any retained assets, to its shareholders and liquidate.¹

For IRS ruling purposes, “substantially all” means at least 90% of the target’s net asset value and 70% of its gross asset value, measured after the target pays off any liabilities it retains. That standard traces to Revenue Procedure 77-37 and has been the IRS’s administrative benchmark for decades.

The “solely for voting stock” rule has a safety valve. Under the boot relaxation rule of Section 368(a)(2)(B), if the acquiror obtains at least 80% of the fair market value of the target’s total property solely for voting stock, some cash or other property can be added. The catch: for purposes of testing whether that 80% threshold is met, any liabilities the acquiror assumes count as money paid. A heavily indebted target often has little room left for cash boot in a Type C deal.¹

Type D: Divisive and Acquisitive Transfers

Type D reorganizations serve two very different purposes. The acquisitive form involves one corporation transferring assets to another corporation controlled by the transferor or its shareholders, followed by a liquidating distribution. Control for this version is defined by reference to Section 304(c), which uses a broader 50% ownership standard rather than the usual 80% test.¹

The divisive form is more common and must meet the requirements of Section 355, which governs tax-free spin-offs, split-offs, and split-ups. Section 355 imposes its own conditions: both the distributing corporation and the controlled corporation must each have an active trade or business that has been conducted for at least five years before the distribution.² The transaction cannot be used principally as a device to distribute earnings and profits, and at least one substantial corporate business purpose must motivate the separation.

Type E: Recapitalizations

A Type E reorganization is a recapitalization: a reshuffling of a single corporation’s capital structure with no second corporation involved. Common examples include exchanging outstanding bonds for new stock, swapping preferred shares for common shares, and restructuring debt-to-equity ratios. Because the transaction stays within one corporation, the continuity of interest and continuity of business enterprise doctrines do not apply.

The main tax risk is that the exchange could be treated as a disguised dividend. If shareholders receive property with a value exceeding what they surrendered, the excess may be taxed as a distribution of earnings and profits under Section 301.³

Type F: Change in Identity, Form, or Place of Organization

A Type F reorganization is a change in a single corporation’s identity, form, or place of organization. Reincorporating from Delaware to Nevada, converting from a C corporation to an LLC taxed as a corporation, or simply changing the corporate name are typical examples. Only one operating corporation can be involved, and ownership must remain substantially unchanged after the transaction.¹ As with Type E, continuity of interest and continuity of business enterprise do not apply because nothing meaningful about the business or its owners has changed.

Type G: Bankruptcy Reorganizations

A Type G reorganization covers asset transfers carried out under a court-approved plan in a Title 11 bankruptcy case or a similar insolvency proceeding. The court must have jurisdiction over at least one party to the reorganization, the transfer must follow the court-approved plan, and stock or securities of the acquiring corporation must be distributed in a transaction qualifying under Section 354, 355, or 356.¹

Congress made Type G more flexible than other acquisitive types. Continuity of interest is relaxed because creditors in bankruptcy often receive the acquiring corporation’s stock in place of the shareholders they are replacing. The reverse triangular merger control test is modified as well: it can be met by creditors exchanging debt for voting stock of the controlling corporation worth at least 80% of the fair market value of the surviving corporation’s total debt, even when former shareholders receive nothing.¹

The Judicial and Regulatory Doctrines

Meeting the mechanical definition of one of the seven types is not enough on its own. Courts and the IRS also require that the transaction genuinely represent a restructuring of ongoing business interests rather than a disguised sale. Three non-statutory doctrines apply to most reorganization types (Types E and F are excepted), and a fourth doctrine can either help or hurt qualification by collapsing or separating related steps.

Continuity of Interest

The continuity of interest requirement ensures that former shareholders of the target retain a meaningful equity stake in the combined enterprise rather than simply cashing out. Treasury Regulation Section 1.368-1(e) governs how this is measured.⁴

The IRS treats a transaction as satisfying continuity of interest when the target’s former shareholders receive acquiror stock worth at least 40% of the total deal consideration. That 40% floor comes from the examples in the temporary regulations and has been the working standard for decades. The focus is on the type and mix of consideration paid, not on whether individual shareholders keep the stock afterward. If the acquiror or a related party redeems the stock issued to target shareholders as part of the overall plan, that redeemed stock no longer counts toward the 40% threshold.⁴

When the deal calls for a fixed number of shares plus a fixed amount of cash, the regulations measure continuity of interest using stock values as of the last business day before the parties enter into a binding contract. Market fluctuations between signing and closing do not change the analysis.⁴

Continuity of Business Enterprise

Continuity of business enterprise (COBE) requires the acquiror to maintain a real connection to the target’s former business or assets after the deal closes. Treasury Regulation Section 1.368-1(d) provides two alternatives.⁵

First, the acquiror can continue at least one significant line of the target’s historic business. If the target operated multiple lines, continuing any one significant line is enough. Second, even if the acquiror shuts operations down entirely, it can satisfy COBE by using a significant portion of the target’s historic business assets in some business. Significance is measured by the relative importance of those assets to the operations, not just their dollar value. The acquiror can operate the business or hold the assets through a subsidiary and still satisfy the test.⁵

Business Purpose

The business purpose doctrine traces to the Supreme Court’s 1935 decision in Gregory v. Helvering, which held that a transaction conducted “according to the terms” of the reorganization statute but having “no business or corporate purpose” was “a mere device” lying “outside the plain intent of the statute.”⁶

Today the IRS requires every reorganization to be motivated by a genuine non-tax business reason. Acceptable purposes include expanding into new markets, resolving shareholder disputes, raising capital, or separating business lines with incompatible risk profiles. The purpose must be documented and provable. A transaction motivated solely by tax savings will fail even if it satisfies every other requirement.

The Step Transaction Doctrine

The step transaction doctrine allows the IRS and courts to collapse a series of formally separate transactions into a single integrated one, or to recharacterize what the parties structured as a single step. This can work in the taxpayer’s favor or against it. Courts apply three tests, and only one needs to be satisfied for the doctrine to apply.

End-result test: if separate steps were component parts of a single transaction intended from the outset to reach a specific result, they are collapsed into one.
Interdependence test: if the steps are so interconnected that any single step standing alone would have been pointless without the others, the series is treated as one transaction.
Binding commitment test: if there was a binding commitment at the time of the first step to complete the later steps, they are all treated as a single transaction.

A company that structures an acquisition as two separate steps to avoid the “solely for voting stock” requirement of a Type B reorganization may find the IRS collapsing those steps and disqualifying the reorganization. Conversely, steps that might individually fail to qualify may be combined into a qualifying whole.

How a Qualifying Reorganization Is Taxed

When a transaction qualifies under Section 368, the Code provides specific non-recognition rules for both shareholders and the corporations. These rules defer gain or loss until a later taxable event, such as the eventual sale of the stock or assets received.

Shareholder Treatment

Section 354 is the starting point. If target shareholders exchange their stock solely for stock or securities in the acquiring corporation or its parent as part of the reorganization plan, they recognize no gain or loss.⁷ One limitation to watch: if a shareholder receives securities (debt instruments) and either did not surrender securities, or surrendered securities of a smaller principal amount, the excess principal is treated as boot.

When shareholders receive boot alongside stock, Section 356 controls. The shareholder recognizes gain, but only up to the lesser of the actual gain realized on the exchange or the value of the boot received. Loss is never recognized in a reorganization exchange, even when the total value received is less than the shareholder’s basis in the old stock.⁸

Boot that “has the effect of the distribution of a dividend” gets special treatment. Under Section 356(a)(2), if the shareholder’s proportionate interest in the acquiring corporation decreased because of the boot, the recognized gain can be recharacterized as a dividend to the extent of the shareholder’s ratable share of the corporation’s accumulated earnings and profits. Any remaining gain is treated as capital gain. The distinction matters because dividends and capital gains can be taxed at different effective rates depending on the shareholder’s situation.⁸

Corporate Treatment

Section 361 shields the transferor corporation from gain recognition when it transfers assets to the acquiring corporation in exchange for stock or securities as part of the reorganization plan. The transferor also recognizes no gain on distributing the acquiring corporation’s stock and securities to its own shareholders as required by the plan.⁹

The protection has limits. If the transferor corporation retains property that was not transferred to the acquiror and then distributes that retained property to its shareholders or creditors, it may recognize gain (but not loss) on the distribution. This prevents a target from selectively retaining appreciated assets, distributing them outside the reorganization framework, and claiming non-recognition on those distributions too.

Basis After the Deal Closes

Tax-free reorganization treatment is deferral, not forgiveness. The unrecognized gain or loss gets embedded in the basis of the stock and assets received, so it shows up when those assets are eventually sold or depreciated.

Under Section 358, a shareholder’s basis in the new stock received equals the basis of the old stock surrendered, decreased by the fair market value of any boot received and by any loss recognized, and increased by any gain recognized on the exchange (including any portion treated as a dividend).¹⁰ Any non-stock property received as boot takes a basis equal to its fair market value at the time of the exchange.

Section 362(b) gives the acquiring corporation a carryover basis in the assets received from the target. The assets keep the same basis they had in the target’s hands immediately before the exchange, increased only by any gain the transferor recognized on the transfer.¹¹ The target’s unrealized gain or loss is preserved in the acquiror’s hands. When the acquiror eventually sells or depreciates those assets, the deferred gain finally becomes taxable.

How Assumed Liabilities Are Treated

In most acquisitive reorganizations the acquiring corporation takes on the target’s liabilities along with its assets. Section 357(a) provides the general rule: when a liability is assumed as part of an exchange that qualifies under Section 351 or Section 361, the assumption is not treated as cash or other property. Taking on the target’s debts does not create boot that would trigger gain recognition for the transferor.¹²

Section 357(c) carves out an exception: if the total liabilities assumed exceed the total adjusted basis of the assets transferred, the transferor must recognize gain to the extent of that excess. Congress excluded acquisitive Type A, C, D, and G reorganizations from this rule, because in those transactions the transferor corporation ceases to exist and cannot be enriched by the debt relief.¹³

Assumed liabilities still matter in one important place: the Type C boot relaxation rule. When testing whether the acquiror obtained at least 80% of the target’s property value solely for voting stock, assumed liabilities count as money paid. A target with heavy debt may find that the liabilities consume the entire boot allowance before any cash is even offered to shareholders.¹

Reporting and Recordkeeping

Claiming tax-deferred treatment carries real paperwork obligations. Under Treasury Regulation Section 1.368-3, every corporation that is a party to the reorganization must include a statement with its federal tax return for the year of the transaction. The statement must identify all parties by name and employer identification number, state the date of the reorganization, and report the value and basis of the assets, stock, or securities transferred.¹⁴

“Significant holders” also have to file. For a publicly traded corporation, that means any shareholder owning at least 5% by vote or value. For a non-publicly traded corporation, the threshold drops to 1%.¹⁵ If any corporation involved is a controlled foreign corporation, each U.S. shareholder within the meaning of Section 951(b) must file the statement as well.¹⁴

Beyond the required filings, every party should keep documentation supporting the transaction’s qualification: the formal plan of reorganization adopted by each corporate party, board resolutions, appraisals, and records showing compliance with the continuity of interest and business enterprise requirements. The IRS can challenge reorganization status on audit years later, and the burden of proving qualification falls on the taxpayer.

1
Office of the Law Revision Counsel. 26 U.S. Code 368 – Definitions Relating to Corporate Reorganizations
2
Internal Revenue Service. Revenue Ruling 2007-42
3
Office of the Law Revision Counsel. 26 U.S. Code 301 – Distributions of Property
4
eCFR. 26 CFR 1.368-1 – Purpose and Scope of Exception of Reorganization Exchanges
5
govinfo. 26 CFR 1.368-1 – Purpose and Scope of Exception of Reorganization Exchanges
6
Justia Law. Gregory v. Helvering, 293 U.S. 465 (1935)
7
Office of the Law Revision Counsel. 26 USC 354 – Exchanges of Stock and Securities in Certain Reorganizations
8
Office of the Law Revision Counsel. 26 U.S. Code 356 – Receipt of Additional Consideration
9
Office of the Law Revision Counsel. 26 U.S. Code 361 – Nonrecognition of Gain or Loss to Corporations; Treatment of Distributions
10
Office of the Law Revision Counsel. 26 U.S. Code 358 – Basis to Distributees
11
Office of the Law Revision Counsel. 26 U.S. Code 362 – Basis to Corporations
12
Office of the Law Revision Counsel. 26 USC 357 – Assumption of Liability
13
Internal Revenue Service. Revenue Ruling 2007-8
14
eCFR. 26 CFR 1.368-3 – Records to Be Kept and Information to Be Filed with Returns
15
Internal Revenue Service. Notice 2009-4 – Determination of Basis in Property Acquired in Transferred Basis Transaction