127.503—Training: General.
         The operator shall ensure that each of the following is met:
    
    
    
    
    
        
        (b) 
         In addition to the training under paragraph (a) of this section, each person assigned for transfer operations has training in the following subjects:
    
    
    
    
    
    
    
    
    
    
    
    
        
        (c) 
         The personnel who received training under paragraphs (a) and (b) of this section receive refresher training in the same subjects at least once every five years.