Suspension of prosecution as a mercenary institution and in line with its intended goals, which is basically a reform-oriented and restorative view of criminal cases in the preliminary investigation stage, will be effective when the substantive and formal conditions for issuing this order are legally assessed. Determining and implementing it in practice should not face any obstacles and challenges. In this article, we have tried to examine the substantive and formal conditions of issuing this agreement and to investigate the challenges, obstacles and ambiguities facing it. With the approval of the law on reducing the punishment of imprisonment, some important judicial components in the issuance of this institution have been able to be re-examined. In addition, given the history of the adoption of the Criminal Procedure Code for several years, some ambiguities and challenges can be considered and discussed in the conditions of this benevolent institution. challenges can be considered and discussed in the conditions of this benevolent institution.