Through a Presidential Decree, Turkiye has modified withholding tax rates on investment instruments, deposit accounts and government securities. Presidential Decree No. 9487, published in the Official Gazette on 1 February 2025, introduces several key changes in withholding tax (WHT) rates on investment instruments, deposit accounts, and government securities. (For background, see EY Global Tax Alert, Turkiye extends and amends WHT rates on income/gains from various sources dated 19 November 2024.)Increased WHT on investment fund earningsPresidential Decree No. 9487 increases from 10% to 15% WHT on income from investment fund participation certificates.Under Temporary Article 67 of the Income Tax Law, WHT is...