In our country, due to the shortage of governmental financial resources and also increase of the range of the needfor infrastructural facilities in various sectors, using contracts that are somehow seeking privatization methods and usecapitals of the nongovernmental sector, whether domestic or foreign, is d eveloping. Given the laws available in thecountry, which will be mentioned in this research, the BOT method has more compatibility with the laws of the countryin comparison with other similar methods. Therefore, due to the increase of the application of BOT contracts in thecountry and usage of foreign capitals in the construction and the development of the infrastructural facilities in varioussectors and absence of sufficient information and sources in this field, doing complementary studies in this res pect isespecially important. In this research, at first by studying the importance of development of infrastructural structures,the discussion of privatization and usage of the capitals of the private sector and also foreign investments in theconstruction and development of the infrastructural structures have been especially reviewed in the shape of BOTcontracts. As we continue, by presenting a complete introduction of BOT contracts and the laws associated with them,some examples of the application of this method and the laws of executing it have been reviewed in various countries.Later, by studying the current laws in the country, the application of this method in the country and the obstacles on theway have been referred to.

Financing, Privatization, BOT, Rules and Regulation, Increase of Efficiency