Solution : https://service.sap.com/sap/support/notes/1364062 (SAP Service marketplace login required)
Key words : 
billing data transfer, periodic revenue deferral, shortened fiscal year, relevant support package, table jfrevper, terms ism_revenue_accrual_by_period, t009y-anzbp, t009 reason, posting periods, solution import
Related Notes : 
       
| 672255 | Shortened fiscal year/changing fiscal periods |