CONTENTS

 1 Scope 
2 Normative references       
3 Definitions  
 4     Abbreviations   
5 Conventions     
6 External terminology schema        
Appendix I – Theory of orders     
        I.1 Introduction         
        I.2 Statements in messages    
Appendix II – Simplifications relative to Ogden's triangle     
       II.1 Introduction           
       II.2 Denotations from messages
Appendix III – Harmonization issues