Stop Corporate Inversions Act of 2026
- Sponsor
- Rep. Doggett, Lloyd [D-TX-37]
- Committees
- Ways and Means Committee (primary)
- Last action
- Feb 11, 2026
Bottom line
The bill broadens the definition of a corporate inversion, making it substantially more difficult for U.S. companies to reincorporate abroad to reduce their U.S. tax obligations, with retroactive effect.
What it actually does
This bill significantly modifies the Internal Revenue Code's rules on corporate inversions. It lowers the ownership threshold for treating a foreign corporation as a domestic one for tax purposes from 80% to 60% and introduces a new definition of an "inverted domestic corporation" with a 50% ownership threshold or a test based on U.S. management and significant domestic business activities. The changes are applied retroactively to taxable years ending after May 8, 2014.
Proponents argue
Supporters argue that this legislation is crucial to prevent corporations from avoiding their U.S. tax responsibilities by moving their legal domicile overseas while maintaining substantial U.S. operations. They contend it protects the U.S. tax base, ensures fairness in the tax system, and closes loopholes that allow profitable companies to shirk their obligations.
Opponents contend
Opponents might argue that these expanded anti-inversion rules, particularly the lower ownership thresholds and the retroactive application, could make the U.S. tax system less competitive globally. They may contend it discourages foreign investment, complicates legitimate cross-border mergers and acquisitions, and creates significant regulatory uncertainty for businesses.
The bill is short but contains technical tax language and references to existing code, requiring careful reading for full comprehension.
Section 2(a), amending IRC Section 7874(b)(1)(A)
Reduced Ownership Threshold for Surrogate Foreign Corporations
This provision amends existing law by lowering the ownership threshold for a foreign corporation to be treated as a "surrogate foreign corporation" (and thus a domestic corporation for tax purposes) from 80% to 60%. This means if former shareholders of a U.S. company hold 60% or more of the stock of the new foreign parent after an acquisition, the foreign entity will be taxed as if it were a U.S. company.
Supporters argue
Supporters argue this change closes a significant loophole that allowed companies to avoid U.S. taxes by moving their legal domicile overseas while maintaining substantial U.S. operations, thereby protecting the U.S. tax base.
Critics contend
Critics might contend that this makes the U.S. a less attractive place for businesses, potentially discouraging mergers and acquisitions involving foreign entities, and could lead to companies moving operations entirely offshore rather than just their domicile.
Tradeoffs
This provision balances the desire to prevent tax avoidance with concerns about U.S. corporate competitiveness and attracting foreign investment.
Section 2(a), amending IRC Section 7874(b)(1)(B) and (b)(2)
Introduction of 'Inverted Domestic Corporation' Definition
This provision establishes a new category called "inverted domestic corporation." A foreign corporation is treated as such if, after acquiring a U.S. entity, either more than 50% of its stock is held by former U.S. shareholders/partners, OR its management and control are primarily in the U.S. AND it has significant domestic business activities. This creates an additional, broader pathway for a foreign entity to be taxed as a U.S. corporation.
Section 2(a), amending IRC Section 7874(b)(3)
Exception for Substantial Business Activities in Foreign Country
This provision outlines an exception to the "inverted domestic corporation" treatment. A foreign corporation will not be treated as inverted if the expanded affiliated group, after the acquisition, has substantial business activities in the foreign country where the entity is organized, when compared to its total business activities. It also grants the Secretary of the Treasury authority to increase the threshold percentages in existing regulations for determining what constitutes "substantial business activities."
Section 2(a), amending IRC Section 7874(b)(4)
Clarification of Management and Control Test
This provision directs the Secretary of the Treasury to issue regulations defining when the "management and control" of an expanded affiliated group is considered to occur primarily within the United States. It specifically mandates that if substantially all executive officers and senior management responsible for strategic, financial, and operational decisions are based or primarily located in the U.S., then management and control are deemed to be primarily within the U.S.
Section 2(a), amending IRC Section 7874(b)(5)
Definition of Significant Domestic Business Activities
This provision defines "significant domestic business activities" for the purpose of the new "inverted domestic corporation" test. An expanded affiliated group is considered to have significant domestic business activities if at least 25% of its employees, employee compensation, assets, or income are based or derived in the United States. The Secretary is also granted authority to issue regulations decreasing this 25% threshold.
The amendments made by this Act shall apply to taxable years ending after May 8, 2014.
Section 2(c)
Why it matters:While effective dates are typically placed at the end of legislative text, the retroactive nature of this provision is highly consequential and could be easily missed by a reader focusing only on the substantive changes.
Case for: Proponents would argue that retroactivity is necessary to capture inversions that occurred after the initial policy debate intensified but before new legislation could be passed, preventing a rush to invert and ensuring fairness across the affected period.
Case against: Opponents would argue that retroactive tax law changes create significant uncertainty for businesses, undermine tax planning, and could be seen as unfair to companies that structured their affairs legally under prior law.
Estimated impact: Potentially significant tax liabilities for corporations that completed inversions or related transactions after May 8, 2014, under the previous, less stringent rules, leading to substantial revenue implications for the federal government.