If the District Administrative Courts determines that the decisions made by the first instance court upon the first examination are unlawful pursuant to the 5th paragraph of Article 45 of the Administrative Procedure Law, or even if a decision on the merits has been given by the first instance court, it has been rejected by the judge without jurisdiction or jurisdiction, or has been banned. If a decision is made, it returns the file to the court of first instance. However, in practice, extradition decisions are also made based on reasons not included in the law. In the study, firstly, the types of decisions made by the appellate authority are included. Then, the decisions given by the Regional Administrative Courts based on the reasons not included in the 5th paragraph of the 45th article of the Administrative Procedure Law and the reasons for these decisions are mentioned. Finally, it is aimed to examine this practice, which develops in an unlawful manner, in terms of the principle of ex officio investigation, the right to a staged trial, procedural economy and legal court principles applied in administrative jurisdiction law.