Upon reasonable notice to interested persons, the Assistant Secretary may in any particular proceeding prescribe additional or alternative procedural requirements:
    
    
        
        (a) 
         In order to expedite the conduct of the proceeding;
     
    
        
        (b) 
         In order to provide greater procedural protection to interested persons whenever it is found necessary or appropriate to do so; or
     
    
        
        (c) 
         For any other good cause which may be consistent with the applicable laws.