Termination of employment contracts due to underperformance

The subject of the thesis in the context of employment security due to underperformance based on the current cause is terminated. In line with this thesis consists of three parts. In the first section, performance, performance evaluation and performance evaluation methods and underperformance consepts were investigated. Performance evaluation process and results of this evaluation can be used where are emphasized. The reasons for underperformance and create ways to resolve is examined.The thesis of the second part is examined elements of employment contract, feature, to establish the necessary conditions and termination concept. The currect cause and just cause examined in Labour Law no 4857. Advantage of employment security conditions are emphasized. From the employee's adaquacy, behavior, business, workplace and business arising from the requirements of current causes in this section headings examined. The search for a current causes for termination by reason of termination of the employee's defense to be taken and be reported as clearly examined.At first subtitle of third part, place in the Labour Law of performance evaluation was mentioned. At second subtitle abrogation conditions, which was formed current cause due to underperformance of the employee termination conditions and burden of proof mentioned, in this regard place was given to sentences of Supreme Court.Key Word: Performance Evaluation, Underperformance, Termination, Termination with Current Cause, Labour Law