1     Scope           
 2     References 
 3     Definitions  
        3.1     Terms defined elsewhere         
        3.2     Terms defined in this Recommendation             
 4     Abbreviations and acronyms              
 5     Conventions              
 6     Test suite structure (TSS)     
 7     Electronic attachment           
Annex A – Test purposes (TP)     
        A.1     TP Definition Conventions        
        A.2     Subgroup 2.2.1: General (GEN)              
        A.3     Subgroup 2.2.2: PHD Domain Information Model (DIM)              
        A.4     Subgroup 2.2.3:PHD Service Model (SER)          
        A.5     Subgroup 2.2.4:PHD Communication Model (COM)      
Bibliography