1. A method of utilizing a policy system in a requisitioning of items over a network, the network connected to a server, thereby allowing communication between the server and a plurality of users, each user having a login ID and belonging to at least one of a plurality of classes, the method comprising the steps of: the server providing a requisitioning system to the plurality of users, wherein the users can search for and requisition items from a plurality of items using the requisitioning system; the server storing each user's login ID, each user's class information, and a plurality of policies, wherein a user's class information comprises an identification of each class to which the user belongs, and each policy is associated with at least one class and comprises one or more guidelines regarding the requisitioning of an item; the server logging in the user using the user's login ID; the server receiving and processing search input provided by the user from a client machine; the server determining appropriate policies in response to the processing of the search input, wherein the appropriate policies are policies that are determined to be associated with one or more classes to which the user belongs and relevant to at least one item to be displayed; and the server causing the at least one item to be concurrently displayed with the appropriate policies that were determined to be associated with the one or more classes and relevant to the at least one item, the appropriate policies being viewable on the client machine; wherein the at least one item is displayed without a particular policy associated with a particular class if the user does not belong to the particular class; wherein the server comprises one or more programmed computer components.