The protocol was signed on 27 June 2023 and is designed to prevent double taxation on income and capital.

France has published Law No. 2025-567 of 23 June 2025 in the Official Gazette, ratifying the fifth amending protocol to the 1966 income and capital tax treaty with Switzerland.

The protocol was signed on 27 June 2023 and is designed to prevent double taxation on income and capital.

Earlier, 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.