France’s National Assembly ratified the fifth amendment to the 1966 tax treaty with Switzerland on 19 June 2025, following Senate approval in April.

The French National Assembly approved the law for the ratification of the protocol to the income and capital tax treaty with Switzerland on 19 June 2025.

This protocol, which was signed on 27 June 2023, is the fifth amendment to the 1966 treaty between the two nations.

The treaty is designed to prevent double taxation on income and capital.

Earlier, the French upper house of Parliament (Senate) approved a new law on 3 April 2025 to ratify the protocol between France and Switzerland.

The protocol will enter into force after the exchange of ratification instruments.