An agency may not release a competing employee from a competitive level while retaining in that level an employee with:
    
    
        
        (a) 
         A specifically limited temporary appointment;
     
    
        
        (b) 
         A specifically limited temporary or term promotion;
     
    
    
        
            Code of Federal Regulations
        
        [51 FR 319, Jan. 3, 1986, as amended at 62 FR 62502, Nov. 24, 1997]