Solution : https://service.sap.com/sap/support/notes/1606679 (SAP Service marketplace login required)
Key words : 
software component   sap_hrcde                      sap hr germany, rpctasd0 - combine employment tax notificationin, release 470          sapk-470b4insaphrcde - sapk-470c2insaphrcde, release 500          sapk-50080insaphrcde - sapk-50088insaphrcde, release 600          sapk-60063insaphrcde - sapk-60071insaphrcde, release 604          sapk-60429insaphrcde - sapk-60437insaphrcde, hr support package andthe technical, release 46c          sapke46cg9 - sapke46ch7, hr support package, software component   sap_hr
Related Notes : 
       
| 1628024 | SI: Improvements and corrections to Communication Server | 
| 1615407 | SV: Improvements for notification retrieval from SHI server | 
| 1605095 | ELENA: Current changes and corrections VII |