These days, because of high costs for carrying out fundamental projects,foreign financing plays a fundamental role in economic development ofdeveloping countries, including Iran. A financier is seeking for a secureenvironment for investment in order to be able to secure its capital and to makea profit. For this purpose, the host State needs to provide a suitable environmentfrom legal, moral and economic perspectives as well as in terms of security. Inthis regard, the role of the host State in providing stability and predictability,relating to economic, legal and political issues, is of particular significance.Financing barriers are not the same in all host states. This article deals withthese barriers in Iranian law. It also considers different methods for foreignfinancing