With the Tax Procedure Law (TPL) General Communiqué (Serial No: 585) published in the Official Gazette dated November 27, 2025 and numbered 33090, the revaluation rate to be applied for 2025 has been set at 25.49%.

A new service that facilitates access to electronic notifications from public institutions has been made available through the e-Government Gateway.

With this newly launched application titled "My e-Notifications (e-Tebligatlarım)", notifications sent via the following institutions can now be viewed on a single screen:

1. Social Security Institution (SSI)
2. Revenue Administration (RA)
3. PTT National Electronic Notification System (UETS)

With Presidential Decree No. 10364 published in the Official Gazette dated September 6, 2025, stamp taxes on tax returns have been increased.

This amendment will enter into force as of October 1, 2025. The increased fixed stamp tax amounts are listed below:

On July 20, 2025, with the amendment made to Law No. 5746 on Supporting Research, Development and Design Activities and Law No. 4691 on Technology Development Zones, the amounts to be cancelled (through offset) from wages under the income tax withholding incentive, as well as the stamp tax exemption amount, have been limited to "forty times the gross minimum wage.".

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