ISO/IEC TS 17021-4:2013
                            
                        
                            
                                Conformity assessment -- Requirements for bodies providing audit and certification of management systems-- Part 4: Competence requirements for auditing and certification of event sustainability management systems
                            
                        
                        
                        
                        
                            
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ISO        
    
                        
                        
    
                        
                        
                        
                        
            
                        
                        
                        
                        
                        
    
        
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                        $94.010