Congress moves to close offshore tax loopholes used by multinationals

What it does

This bill eliminates tax breaks that allow U.S. corporations to reduce their tax burden by shifting profits and operations overseas. It repeals the reduced tax rate on foreign-derived intangible income (FDII) and the Global Intangible Low-Taxed Income (GILTI) regime, increases the foreign tax credit, and treats foreign corporations managed from the U.S. as domestic corporations for tax purposes. The bill also limits interest deductions for multinational corporations and tightens rules on corporate inversions (moving a company's tax domicile abroad). Ordinary workers and domestic businesses benefit by reducing the tax avoidance strategies that shift the tax burden to them.

Why we flagged it

The bill's core function is to eliminate tax incentives for profit-shifting and corporate inversions, and to treat foreign-managed corporations as domestic for tax purposes. This is fundamentally a tax enforcement and anti-avoidance measure, not a new tax or subsidy.

What the text implies

• The bill's treatment of foreign corporations 'managed and controlled' in the U.S. as domestic corporations may trigger significant disputes over what constitutes 'management and control,' creating litigation risk and regulatory uncertainty for multinational firms.
• The country-by-country foreign tax credit limitation (Section 3) fundamentally restructures how multinational corporations calculate tax liability, potentially increasing compliance costs and creating new opportunities for tax disputes with the IRS.
• The interest deduction limitation for 'international financial reporting groups' (Section 4) applies to any group with $100M+ in average annual gross receipts that prepares consolidated financial statements, potentially capturing many mid-market and smaller multinational operations.
• The carryforward of disallowed interest for up to five years creates a complex tracking and accounting burden for affected corporations and may incentivize restructuring to avoid the limitation.
• The bill's effective dates (mostly Dec. 31, 2024, with some provisions retroactive to Dec. 22, 2017) may create significant retroactive tax liability and audit exposure for corporations that relied on prior law.

Who it affects

The bill closes tax loopholes that allow multinational corporations to avoid U.S. taxation, potentially increasing federal revenue and reducing the tax burden on ordinary workers and domestic businesses. By treating foreign-managed corporations as domestic and limiting profit-shifting strategies, it promotes tax fairness and reduces incentives for offshoring.

Who stands to gain

• U.S. federal government (increased tax revenue)
• Domestic corporations (reduced tax competition from offshore profit-shifting)
• U.S. workers and small businesses (reduced relative tax burden)

Named in the bill

Internal Revenue Code of 1986, Section 951A (GILTI), Section 250 (FDII), Section 904 (foreign tax credit), Section 7874 (inversion rules), Section 7701 (entity classification), Section 163 (interest deduction), U.S. Securities and Exchange Commission, Multinational corporations, Foreign corporations, U.S. shareholders

Where it stands

20 cosponsors: 20 Democrats.

• Feb 5, 2025 — Introduced · Congress.gov: “Introduced in Senate”
• Feb 5, 2025 — Referred to Senate Committee on Finance · Congress.gov: “Read twice and referred to the Committee on Finance”

Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.

Money around this bill

5 lobbying clients named this bill on 6 disclosure filings across 2 quarters, Dec 2025 to Jun 2026. Those filings disclosed $2,606,000 in lobbying spend. A filing names 35 bills on average, so that figure is what each filing reported, not a share belonging to this bill.

More lobbying clients named this bill than 78% of bills with at least one filing.

Sheldon Whitehouse, the sponsor, reported $52,000 in PAC receipts in the 2026 cycle.

• International Association of Machinists and Aerospace Workers — $1,425,000 on 2 filings
• American Federation of State County and Municipal Employees — $690,000 on 1 filing
• Communications Workers of America — $431,000 on 1 filing
• New Venture Fund — $40,000 on 1 filing
• Fact Coalition (a Project of the Fund for Constitutional Government) — $20,000 on 1 filing

Lobbying Disclosure Act filings through Jul 21, 2026. A filing shows who paid to lobby on a bill it names, not what changed.