What Is an F Reorganization? Requirements, Uses, and Tax Effects

An F reorganization is a tax-free corporate restructuring under Internal Revenue Code Section 368(a)(1)(F) that lets a corporation change its legal identity, form, or state of organization without triggering federal income tax for the company or its shareholders.¹ It covers only the simplest corporate changes: a new name, a new home state, or a new holding-company structure, where the same owners keep running the same business through what the IRS treats as the same corporation. Because no real economic shift occurs, the resulting entity is treated as a continuation of the original — inheriting its employer identification number, tax year, elections, net operating losses, and full tax history.

What the Statute Says

Section 368(a)(1)(F) defines the transaction as “a mere change in identity, form, or place of organization of one corporation, however effected.”¹ Each phrase does real work. “Mere change” means nothing of substance can shift; the business, the assets, and the owners stay the same. “One corporation” means only a single operating entity is involved, even when the mechanics temporarily use two legal shells. “However effected” gives flexibility in the method, whether that means a statutory merger, a new incorporation, or a contribution of stock to a newly formed parent.

The IRS looks through the legal formalities and treats the resulting entity as if it had been the original corporation all along. That continuity is what makes the F reorganization valuable, and it is also what makes it narrow.

The Six Requirements to Qualify

Treasury Regulations finalized in 2015 set out six conditions that any transaction involving a transfer of property must satisfy. Missing one disqualifies the transaction, and a failed F reorganization can be recharacterized as a taxable sale or exchange.

Only one corporation can emerge from the transaction as the acquiring entity.
Only one corporation can be the transferor whose assets or stock are transferred.
The same shareholders must hold all the stock in the resulting corporation in the same proportions they held in the transferor. A minor change that amounts to nothing more than a redemption of less than all shares is permitted, but any real ownership shift kills the qualification.
The transferor must completely liquidate for federal tax purposes. It doesn’t need to legally dissolve under state law and can retain a bare minimum of assets to keep its charter alive, but it must cease to exist as a separate taxable entity.
The resulting corporation generally cannot hold any property or carry any tax attributes before the reorganization. A narrow exception covers assets acquired solely to facilitate the organization of the new entity, such as the initial capital contributed to obtain a corporate charter.
The resulting corporation cannot have conducted business or filed tax returns before the reorganization.

Two requirements that apply to most other reorganization types, continuity of interest and continuity of business enterprise, are explicitly waived for F reorganizations. The reasoning is straightforward: since the same people own the same business in the same proportions, proving continuity would be redundant.

What Tax-Free Actually Means

Nobody pays tax when the reorganization happens. The corporation recognizes no gain or loss when it transfers assets to the new entity, as long as it receives only stock or securities of the new corporation in return.² Shareholders recognize no gain or loss when they swap old stock for new stock in the resulting corporation.³

Basis carries over. Under Section 362(b), the resulting corporation takes the same tax basis in the transferred assets that the old corporation had, increased by any gain recognized on the transfer, which in a clean F reorganization is zero.⁴ Shareholders’ stock basis carries over the same way. Built-in gains and losses in the assets are preserved rather than wiped clean, which matters if the company later sells those assets.

Tax Attributes and One Continuous Tax Year

Section 381 governs what happens to a corporation’s tax attributes after a reorganization — net operating losses, earnings and profits, accounting methods, credit carryforwards. For most reorganization types the rule is harsh: the transferor’s tax year ends on the transfer date, and the acquiring corporation cannot carry back its own future losses to the transferor’s prior years.⁵

F reorganizations get a blanket exemption. The statute explicitly carves out reorganizations described in subparagraph (F) from the rules that would otherwise close the tax year, fix a transfer date, and block loss carrybacks.⁵ The resulting corporation can carry back a post-reorganization net operating loss to the transferor’s earlier tax years as if the reorganization never happened. For a company sitting on a recent profitable year and facing a downturn, that carryback ability can generate an immediate refund.

Section 382, which limits how much of a corporation’s net operating losses can be used after an ownership change, also exempts F reorganizations. The statute excludes them from the definition of “equity structure shift,” so the reorganization itself triggers no limitation on the company’s loss carryforwards.⁶ Given the identical-ownership requirement, there is no change to police.

The tax year continues uninterrupted. Unlike other reorganizations, which close the transferor’s year on the transfer date and start a fresh period for the acquiring corporation, an F reorganization produces one unbroken annual return. The company files under the resulting corporation’s name using the transferor’s EIN.⁷

Common Uses

F reorganizations show up in a few recurring situations where a company needs to adjust its legal wrapper without changing anything about the underlying business.

Changing the state of incorporation. A Delaware corporation that wants to become a Nevada corporation, to take advantage of different business laws, franchise-tax structures, or liability protections, can merge into a newly formed Nevada entity. The resulting corporation inherits everything from the Delaware predecessor and no taxable event occurs.
Changing the corporate name as part of a broader structural adjustment. A standalone name change is a state filing and doesn’t require any reorganization treatment, but a name change can ride along with a qualifying F transaction.
Creating a holding-company structure. A standalone operating corporation can form a new parent, contribute its stock to the parent, and elect to treat the operating company as a qualified subchapter S subsidiary (QSub) of the parent. The end result is a parent-subsidiary structure that the tax code treats as the same corporation.
Upstream subsidiary mergers. When a subsidiary’s separate existence is purely a formality — same owners, same business, same assets — merging it into the parent can qualify as an F reorganization if all six requirements are met.

F Reorganizations in S Corporation Sales

The most sophisticated modern use of F reorganizations involves S corporations preparing for a sale. Buyers want to purchase assets so they can get a stepped-up tax basis and higher depreciation deductions. Sellers organized as S corporations want to sell stock so they aren’t hit with entity-level tax on an asset sale followed by a taxable distribution of proceeds. An F reorganization bridges that gap.

How the Structure Works

The target S corporation’s shareholders form a new corporation (Newco) and contribute their target stock to it in exchange for Newco stock. Newco then files an election on IRS Form 8869 to treat the target as a QSub, which makes the target a disregarded entity for federal tax purposes. Together these steps constitute the F reorganization: Newco is treated as the continuation of the original S corporation, inheriting its S election, its EIN, and its tax history.⁷

Before closing the sale, the target QSub is typically converted under state law into a limited liability company. The buyer then purchases the LLC’s membership interests rather than stock of the S corporation. Because the LLC is a disregarded entity, the IRS treats the purchase of its membership interests as an asset purchase. The buyer gets a stepped-up basis in the acquired assets, generally equal to the purchase price, and can depreciate or amortize those assets going forward. The sellers report the gain on their individual returns as S corporation shareholders, avoiding the double-tax problem that would have arisen from a direct asset sale by a C corporation.

The QSub Timing Trap

Timing the QSub election is the single most common mistake in these transactions. The election must be effective immediately after the stock contribution to Newco. If any gap exists between the contribution and the effective date of the QSub election, even a short one, the target temporarily exists as a separate C corporation because its S election terminated when it became a subsidiary. That gap can blow up the F reorganization, because the resulting corporation would have acquired property with existing tax attributes in violation of the qualification rules. The IRS has flagged this as a trap for the unwary in private letter rulings, and getting it wrong means the entire transaction is recharacterized.

Moving a Corporation Overseas

Redomiciling a domestic corporation to a foreign country runs into Section 367(a), which overrides the normal tax-free treatment. When a U.S. person transfers appreciated property to a foreign corporation in what would otherwise be a nontaxable reorganization, the foreign corporation isn’t treated as a corporation for purposes of the nonrecognition rules.⁸ Built-in gain on the transferred assets becomes taxable at the time of the reorganization.

A limited exception exists where the foreign corporation uses the transferred property in an active trade or business conducted outside the United States. Transfers of intangible property are governed separately under Section 367(d). Any corporation considering redomiciling overseas should treat this as a taxable event until a qualified advisor confirms otherwise.

How F Reorganizations Differ From Other Types

The tax code recognizes reorganizations labeled A through G, and the boundaries matter because each type carries different requirements and different tax consequences. The F is the narrowest, covering only changes where the corporation is fundamentally the same before and after.

The closest cousin is the D reorganization, which involves a transfer of assets from one corporation to another where the transferor or its shareholders control the receiving entity. A D reorganization can involve meaningful shifts in corporate structure, such as splitting a business into multiple entities, that would never qualify as a mere change under the F rules. It also requires the transferred stock or securities to be distributed in a transaction that qualifies under Sections 354, 355, or 356, adding complexity that F reorganizations avoid entirely.

The practical advantages of qualifying as an F rather than another type are the exemptions described above: no continuity-of-interest or continuity-of-business-enterprise testing, no closing of the transferor’s tax year, no restriction on carrying back losses, and no Section 382 equity-structure-shift treatment. When a transaction could arguably qualify as both an F and a D, there is a strong incentive to structure it to meet the F requirements. Structuring a deal as an F reorganization when it doesn’t meet all six requirements can retroactively change the tax treatment of the entire transaction.

Reporting Requirements

Each corporation that is a party to an F reorganization must attach a statement to its federal income tax return for the year the reorganization occurs. The statement must include the names and employer identification numbers of all parties, the date of the reorganization, and the aggregate fair market value and basis of the assets transferred, broken into specified categories.⁹ If a private letter ruling was obtained from the IRS in connection with the reorganization, its date and control number must also be included.

Because the resulting corporation is treated as a continuation of the transferor, it files a single uninterrupted tax return for the full year using the transferor’s EIN.⁷ There is no short-period return for the old corporation and no new-entity return for the resulting one, just one return covering the entire tax year as if nothing changed. Shareholders who exchanged stock report the exchange on their own returns, though in a straightforward F reorganization with identical stock the exchange produces no gain, no loss, and no change in basis to report.

1
Office of the Law Revision Counsel. 26 USC 368 – Definitions Relating to Corporate Reorganizations
2
Office of the Law Revision Counsel. 26 USC 361 – Nonrecognition of Gain or Loss to Corporations
3
Office of the Law Revision Counsel. 26 USC 354 – Exchanges of Stock and Securities in Certain Reorganizations
4
Office of the Law Revision Counsel. 26 USC 362 – Basis to Corporations
5
Office of the Law Revision Counsel. 26 USC 381 – Carryovers in Certain Corporate Acquisitions
6
Office of the Law Revision Counsel. 26 USC 382 – Limitation on Net Operating Loss Carryforwards and Certain Built-In Losses Following Ownership Change
7
Internal Revenue Service. Revenue Ruling 2008-18
8
Internal Revenue Service. Outbound Transfers of Property to Foreign Corporations – IRC 367 Overview
9
eCFR. 26 CFR 1.368-3 – Records to Be Kept and Information to Be Filed With Returns