The role of international investment law is well known throughout the world. In order to develop the internal economy of a country, it is necessary to obtain foreign funds in the context of an investment whatever the nature of the activity. National laws on foreign investment, often referred to as the "investments code", still probably have practical importance on the treatment of foreign investment to the extent that the state remains competent to regulate Entry and development of investment in its territory, even in the presence of an international convention. In this regard, the pre-investment, defined as all operations in connection with an investment in being realized on the territory of the host State, respects standards for the admis...