65.129—Performance standards.
         No certificated parachute rigger may—
    
    
    
    
    
        
        (d) 
         Alter a parachute in a manner that is not specifically authorized by the Administrator or the manufacturer;
    
    
        
        (e) 
         Pack, maintain, or alter a parachute in any manner that deviates from procedures approved by the Administrator or the manufacturer of the parachute; or
    
    
        
        (f) 
         Exercise the privileges of his certificate and type rating unless he understands the current manufacturer's instructions for the operation involved and has—