The Spain and Paraguay tax treaty will enter into force on 14 October 2024. Signed on 25 March 2023, the treaty will generally take effect on 14 October 2024 for other taxes and on 1 January 2025 for taxes assessed both on and off a fiscal year basis.

Paraguay announced in the Official Gazette the ratification of its pending income tax treaty with Spain on 29 May 2024. Earlier,

Previously, the Spanish Congress of Deputies (the lower house of parliament) passed the law to ratify the pending income tax treaty with Paraguay on 23 May 2024.

The tax treaty is the first between the two countries. It aimed at preventing double taxation and fiscal evasion with respect to taxes on income.