CONTENTS

 1     Scope 
 2     References 
 3     Definitions  
 4     Abbreviations   
 5     Considerations  
 6     IMSI structure, format and assignment procedures           
        6.1     Structure and format of the IMSI   
        6.2     IMSI assignment procedures          
Annex A – Criteria and procedures for the assignment and reclamation of shared E.212 mobile country codes (MCC) for networks and their respective mobile network codes (MNCs)     
        A.1     Introduction          
        A.2     Scope    
        A.3     Principles for assignment   
        A.4     Criteria for assignment       
        A.5     Assignment           
        A.6     Voluntary return of unused MNCs 
        A.7     Criteria for reclamation      
        A.8     Reclamation          
        A.9     Appeals process   
Annex B – Principles for the assignment of mobile network codes (MNCs) within geographic MCCs     
Annex C – Procedures for the assignment of an additional MCC to a country     
Annex D – Use of mobile subscription identification number (MSIN) within geographic MCCs     
Annex E – The use of an MCC+MNC in a country other than the country to which the MCC has been assigned by the Director of TSB     
        E.1     Introduction           
        E.2     Procedure to be followed for the implementation of an extra-territorial use of an MCC+MNC     
        E.3     Voluntary return of an MNC          
        E.4     Criteria for cancellation of extra-territorial use        
        E.5     Cancellation procedures    
Annex F – Illustration of uses of E.212 resources     
        F.1     Introduction           
        F.2     Mobile networks (PLMN) 
        F.4     Satellite and non-terrestrial networks          
        F.5     Universal personal telecommunication (UPT)          
Appendix I – Form A: Notification of the use of an MCC/MNC extra-territorially     
Appendix II – Form B: Notification of the cancellation of use of an MCC/MNC  extra-territorially     
Bibliography