to the corresponding product when the maximum consumption quantity value is realized application_number US 201313849259 A description with reference to the figures various embodiments of systems and methods for authorizing bulk products with specific dispensing apparatus are described in addition systems and methods of retro fitting authorization technology to existing equipment are described in the context of this invention bulk or consumable products generally mean products that may be any one of or a number of difficult to mark relatively inexpensive and or that are normally shipped in larger containers with a number of smaller packages containers within the bulk shipment these products are generally used with a corresponding product that will either dispense or use the consumable product and which collectively constitute a product pair examples of such product pairs include but are not limited to food product dispensers eg breakfast cereal condiment and milk dispensers bulk chemical dispensers eg soap window cleaner surface sanitizer dispensers and product dispensers eg hot drink stir stick dispensers as shown in fig1 generally the invention provides a key 12 that is associated with a bulk product or container 22 and that is coded to contain information about a consumable product 14 that may be within a smaller package within a bulk container 22.