Default interest in the case of non-payment of pecuniary debts

The title of our thesis is "Default Interest in the Case of Non-Payment of Pecuniary Debts". Our thesis consists of an introduction, three main chapters, and a conclusion. In the introduction, the presentation of the subject, its importance, scope, historical development and regulation of the default interest in Turkish Law are discussed. In the first part of our thesis, the definition of default interest, its legal qualification, and its distinction from similar institutions have been examined. In this section, before reviewing the default interest, which is a type of interest, the definition and types of interest are explained. In the second part of our study, conditions of the right to claim default interest and the role of fault and loss in default interest claim have been examined. While making this examination, the concept of money and pecuniary debt and the payment of pecuniary debts were discussed. Then, the conditions sought for the debtor's default in fulfilling his monetary debt have been explained. Finally, whether the fault and loss conditions are required to claim the default interest receivable has been examined. In the third part, the last part of our study, the performance of the default interest and its results are examined. Under this heading, the demand for default interest, the beginning and end of the default interest, the prohibition of compound interest in default interest, the default interest rates, the compensation of the creditor's loss exceeding the default interest and the statute of limitations for default interest receivables are discussed.