13.116—Permittee's interest.
        
        (a) 
         A permittee shall not accrue a compensable interest in a cabin or other structure in a park area unless specifically authorized by Federal statutory law.
    
    
        
        (b) 
         A cabin or other structure in a park area may not be sold, bartered, exchanged, assigned or included as a portion of any sale or exchange of other property by a permittee unless specifically authorized by Federal statutory law.
    
    
        
        (c) 
         The Superintendent shall determine the extent and nature of a permittee's possessory interest at the time a permit is issued or denied.