When income is taxed in both the United States and France, the solution is not exemption—it’s coordination. In this episode, we explain how the foreign tax credit mechanisms under the United States–France Income Tax Treaty operate in practice—and why the method differs on each side of the Atlantic.

🇫🇷 France’s Approach: Credit Based on French Tax Attributable

France generally grants a foreign tax credit equal to the amount of French tax attributable to the foreign-source income, not necessarily the U.S. tax actually paid.

This means:

• If French tax on the income is higher than U.S. tax →

Only the difference is payable in France.

• If U.S. tax is higher than French tax →

The French credit may eliminate French tax, but the excess U.S. tax is not refunded by France.

The French system focuses on neutralising double taxation without creating a full exemption.

🇺🇸 U.S. Approach: Credit for Taxes Actually Paid

The United States allows a foreign tax credit for income taxes actually paid to France, under rules contained in the Internal Revenue Code.

However, the credit is subject to:

• Separate income baskets (e.g., general, passive)

• Source-of-income limitations

• Overall limitation formulas

• Carryforward and carryback rules

The U.S. system is designed to ensure that:

• Double taxation is prevented

• But income is not fully exempt from U.S. taxation

⚖️ Why the Systems Differ

FranceUnited States

Credit equals French tax attributable to foreign income

Credit equals foreign tax actually paid

Neutralises excess French tax

Limited by sourcing and basket rules

Focus on territorial fairness

Focus on worldwide taxation framework

The result can vary depending on:

• Residency status

• Income classification

• Source rules

• Timing mismatches

⏳ The Impact of Deferred Compensation

Large deferred compensation payments—such as those governed by U.S. Section 409A—can complicate matters:

• A high-income year may push the taxpayer into a higher French marginal bracket.

• This increases the French tax attributable to the income.

• The foreign tax credit computation may change significantly.

In cross-border situations, timing becomes as important as structure.

🎯 Key Takeaway

Avoiding double tax between the U.S. and France is not automatic—it requires:

• Correct sourcing of income

• Proper classification under treaty rules

• Accurate foreign tax credit computation

• Awareness of marginal rate interaction

The treaty prevents double taxation—but only when its mechanisms are correctly applied.