Assistant Professor of Private Law, Islamic Azad University, Khorram Abad Branch, Khorram Abad, Iran

In general, money laundering is the form of any act or act of action to hide or change the identity of illicit earnings as it pretends to originate from legal sources. Today, crime has become a business and trade, so that some organizations income is more than the income of many countries in the world. For this reason, most criminals worldwide have financial incentives. Money laundering is a form of financial crime, in which the origin and characteristics of illicit transactions such as terrorist acts, human trade, arms trade, and corruption of others are ambiguous, and the entry and exit streams are planned in such a way that the legal form becomes legitimate. One of the ways that facilitate money laundering in Iran's economic system is bank check. In this regard, the legislator has tried to block reforms such as the prohibition of issuing clearance in the form of registration and the necessity of registration and the possibility of recording it in the banking system, in practice with the descriptive- analytical method, in detail and the conclusion and conclusion about the aforementioned discussion.