The Head of each unit is responsible for the administration of this regulation within his area. These responsibilities include:
    
    
        
        (a) 
         Insuring that national security information is properly classified and protected;
     
    
        
        (b) 
         Exercising a continuing records review to reduce classified holdings through retirement, destruction, downgrading or declassification;
     
    
        
        (c) 
         Insuring that reproduction of classified information is kept to the absolute minimum;
     
    
        
        (d) 
         Issuing appropriate internal security instructions and maintaining the prescribed control and accountability records on classified information under their jurisdiction.