Solution : https://service.sap.com/sap/support/notes/819105 (SAP Service marketplace login required)
Key words : 
personnel time management-> time data recording, attendances/absences      -> define deduction rules, administration  -> managing time accounts, attendance/absence quotas    -> quota deduction, correction instructions posted today, source code corrections contained, personnel time management, vacation pay processing, terms vc2 reason, hr support package
Related Notes : 
       
| 374466 | Q&A: Master Note for Vacation Pay - Canada. |