Eradication of corruption requires cooperation between state institutions. The weakness of criminal law settlement does not return state losses. There is a Cooperation Agreement between the Ministry of Home Affairs, the Indonesian National Police (Polri), and the Prosecutor's Office regarding the handling of public reports on allegations of corruption in local governments. The purpose of this study is to analyze the handling of corruption cases based on positive Indonesian law and the obstacles faced by law enforcement officers in implementing the cooperation agreement between the Ministry of Home Affairs, the Prosecutor's Office, and the National Police against Article 4 of the Corruption Eradication Act. The approach used in this research is the legal approach. This research data collection technique was carried out through conventional literature searches and online. The data analysis technique used in this study is qualitative because the data is presented in a narrative-descriptive manner. The results of the study indicate that law enforcement for criminal acts of corruption is carried out by the Corruption Eradication Commission based on the Law of the Republic of Indonesia Number 30 of 2002. The Indonesian National Police based on the Law of the Republic of Indonesia Number 2 of 2002 and the Criminal Procedure Code has the authority to conduct investigations and investigations in special criminal cases. corruption. The Law of the Republic of Indonesia Number 16 of 2004 has explicitly stated that the Prosecutor's Office has the authority to investigate criminal acts of corruption. The authority to adjudicate cases of criminal acts of corruption is regulated in the Law of the Republic of Indonesia Number 46 of 2009. The Cooperation Agreement between the Ministry of Home Affairs, the Police, and the Prosecutor's Office hampers the law enforcement process carried out by the Police and the Prosecutor's Office in processing suspected perpetrators of corruption. Every report of corruption from the public is not immediately followed up by the Police and the Prosecutor's Office as law enforcement officers. The case was first examined by the government's internal supervisory apparatus. With the cooperation agreement, law enforcement officers cannot follow up on reports and evidence.