Managing a preferred substitution association for an item

Managing a preferred substitution association for an item involves, associating a Preferred Substitution Item to an Item, modifying the Preferred Substitution Item's Details, associating a Category to an Item for a Preferred Substitution Association, modifying the Effective Date Range of a Category for a Preferred Substitution Association, disassociating a Preferred Substitution Item from an Item, and disassociating a Category from an Item for a Preferred Substitution Association