This quantity is a threshold (entered in the stocking unit of measure). If the inventory level for an item is found to be below the order point, the MRP system will put in place a planned order to bring the level up. This order point processing will be performed for an item if you set the Order Point Quantity for that item to a number greater than 0. In other words, setting the order point to a number greater than 0 turns on order point processing for the item. Order point should not be confused with order policy – they are different concepts. Order policy comes into play when MRP considers demands. Driven by dependent and/or independent demand, the MRP system will generate planned orders to procure inventory. At that point, order policy rules come into play to control the procurement quantity.