CONTENTS

 1     Scope 
 2     References
 3     Terms and definitions     
 4     Abbreviations and acronyms      
 5     Problem statement and consideration of approaches      
        5.1     Static approaches 
        5.2     Pseudo-static approach    
        5.3    Signalled approaches       
        5.4     Impairment accumulation approach          
 6     Pros and cons of the approaches considered      
 7     Summary of approaches according to the problem statement challenges
Appendix I – Detailed example of a static divisor approach    
Appendix II – Detailed example of the static reference allocation approach    
Appendix III – Detailed example of impairment accumulation approach    
Appendix IV – Performance guidance for providers    
       IV.1     Qualitative guidance statements  
       IV.2     Circumstances when guidance is useful