One of the most significant functions of the Qisas (retribution) law is to protect human beings lives as well as their integrity. Approving and execution of the said punishment is subject to several requirements where the lack of any of them can prevent its execution. It is worth observing that the impediments of execution, delaying and even fall and amnesty of retaliation has got a great importance in the Islamic punishment laws and regulations. These laws are originated from the famous fatwa of the Shi'i jurisprudents, but are not separately and independently classified under a particular title. This article seeks to review and reveal all circumstances in which the said punishment is set aside in spite of the commitment of the murder and the crime. In this research, this issue has been examined from the perspective of the famous jurists of Imamieh comparing with the views of Grand Ayatollah Khoyi as well as Islamic Penal Code