The following is a summary of Kiriakov, Krassimir D. and the QED Group, LLC (2007). Necessary Conditions for an Effective Warehouse Receipts Activity (United States Agency for International Development Concept Paper). Washington DC: USAID. This paper describes the necessary conditions of the commodity market infrastructure that enable implementation of successful WHR systems. It begins by looking at legislation followed by financial performance guarantees and financial institutions. In the end it examines the general commodity market conditions needed for a successful WHR system.