Solution : https://service.sap.com/sap/support/notes/1053310 (SAP Service marketplace login required)
Key words : 
terms regulatory reporting interface, higher-level time characteristics, lower-level time characteristics, target query remains unchanged, abap command call transaction, sender/receiver assignment maintenance, unlike hierarchy node variables, navigation attribute 'postal code', report-report interface, restricted key figures
Related Notes : 
       
| 1590472 | RRI: Jump from virtual time hierarchy fails | 
| 1534680 | RRI: Hierarchy date variable is not filled when you navigate | 
| 1470054 | Default variant in BexAnalyzer and Report Report Interface | 
| 1441063 | RRI jump fails: Temporary hierarchy join is active | 
| 1389556 | RRI Hierarchy leaf jump - parameters lost | 
| 1328550 | Field mapping incomplete for report-report interface (RRI) | 
| 1300437 | Hierarchy deactivated during RRI jump from a leaf | 
| 694244 | RRI: Calling transaction KSB5 | 
| 568489 | Jump destinations within BW and hierarchies | 
| 363203 | BBS: Parameter not transferred to transaction |