Unless these risks are appropriately addressed in an applicable investment treaty, the investor may ask for protection on a number of points, such as the applicable law, the tax regime , provision dealing with inflation, a duty of the host state to buy a certain volume of the product, the future pricing of the investor's product, or customs regulation for materials needed for the product, and, especially, an agreement on future dispute settlement. Such rights may be included in an investment contract between the investor and the host of state