Solution : https://service.sap.com/sap/support/notes/666937 (SAP Service marketplace login required)
Key words : 
symptom pharma contracts & chargeback scenario, cms x-ref change, prerequisites single implemenation badi', standard crm badi definition, badi implementation cms_partner_determ_a based, execute transaction se19, short text------------------------------------------------------------------------bupa_ident_update, cont sts - valid, activate badi button, bp relationship changesbupa_frg0050_update
Related Notes : 
       
| 677456 | SAPKU40003: Support Package 03 for CRM 4.0 | 
| 667115 | Deactivate BADI Implementation CMS_PARTNER_DETERM_A |