The Slovak Republic and Iran signed a protocol amending the 2016 Iran-Slovak Republic income tax treaty on 9 April 2025.
The Slovak Republic’s parliament gave its approval to a protocol amending the 2016 income tax treaty with Iran on 16 September 2025.
Earlier, Iran and the Slovak Republic signed an amending protocol to the tax treaty on 9 April 2025. The treaty was signed on 19 January 2016, in Tehran. It aims to avoid double taxation and prevent fiscal evasion with respect to taxes on income.
This marks the first modification to the treaty since its inception. The protocol will officially take effect on the first day of the third month after both countries exchange their ratification documents.
Once in force, its provisions will apply starting 1 January of the following year.