Significant Amendments To Administrative Judiciary Legislation Under Law No. 7589

Law No. 7589 on Amendments to Certain Laws for the Effective and Efficient Functioning of the Judiciary (the "Law"), published in the Official Gazette dated 31 July 2026 and numbered 33326, introduced significant amendments concerning the transitional period applicable to the institutional structure of the Council of State, the scope of cases to be heard by a single judge before administrative and tax courts, the outcomes of appellate review, and the decisions subject to cassation in administrative proceedings.

The Law amends the Council of State Law No. 2575, Law No. 2576 on the Establishment and Duties of Regional Administrative Courts, Administrative Courts and Tax Courts, and the Administrative Procedure Law No. 2577. The principal amendments and their potential practical implications are summarised below.