What Is the Saving Clause in a U.S. Tax Treaty and How Does It Affect Expats?

The saving clause is a provision in nearly every U.S. tax treaty that preserves the United States’ right to tax its own citizens and residents as if the treaty did not exist. It means that U.S. citizens living abroad generally cannot use a tax treaty to reduce their U.S. tax on worldwide income, even if the treaty would otherwise exempt or reduce tax on that income (IRS: United States Income Tax Treaties).

• What it does: allows the U.S. to override treaty benefits for its own citizens and residents
• Where it appears: typically in Article 1 (General Scope) or the “Saving Clause” paragraph of the treaty
• Who it affects: U.S. citizens and green card holders, regardless of where they live
• Who it does NOT affect: residents of the treaty partner country who are not U.S. persons

Exceptions to the saving clause (benefits U.S. citizens CAN claim):

• Foreign tax credits: the treaty does not block FTC claims
• Certain pension articles: some treaties carve out specific pension provisions from the saving clause
• Student and scholar exemptions: treaty articles exempting scholarship or teaching income often survive the saving clause for a limited period
• Social Security benefits: some treaties assign exclusive taxing rights to the residence country, and this survives the saving clause

When you claim an exception to the saving clause, file Form 8833 to disclose the treaty-based position. Cite the specific treaty article and the saving clause exception paragraph.

The saving clause is why most U.S. expats rely on the FEIE and FTC rather than treaty benefits to reduce their U.S. tax. Treaties are more useful for reducing the foreign country’s tax on U.S.-source income.

For more, see our Form 8833 guide.