Solution : https://service.sap.com/sap/support/notes/168202 (SAP Service marketplace login required)
Key words : 
prerequisites cin related entries missing, symptom cin customising missing, development/test/production client, copy customizing entries, cin installation solution, terms cin customization, choosing 'copy entry', img select/execute, cin customizing, related notes
Related Notes : 
       
| 899086 | Guidelines to install CIN on a pre-customised client | 
| 162594 | Missing Customizing entries | 
| 104387 | Transporting CIN customising from client 000 to reqd client. | 
| 81892 | Implementating a new country version | 
| 63805 | FAQ: Country-specific Customizing settings | 
| 39472 | Country-specific customizing for several countries |