404.908—Parties to a reconsideration.
        
        (a) Who may request a reconsideration.
         If you are dissatisfied with the initial determination, you may request that we reconsider it. In addition, a person who shows in writing that his or her rights may be adversely affected by the initial determination may request a reconsideration.
    
    
        
        (b) Who are parties to a reconsideration.
         After a request for the reconsideration, you and any person who shows in writing that his or her rights are adversely affected by the initial determination will be parties to the reconsideration.