CONTENTS

Introduction    
 1     Scope  
 2     Normative references        
        2.1     Identical Recommendations | International Standards           
        2.2     Paired Recommendations | International Standards equivalent in technical content    
 3     Definitions   
 4     Abbreviations    
 5     Conformance     
        A.0     Instructions and identification          
        A.1     Basic requirements
        A.2     Optional functional groups  
        A.3     Additional information