Changing the Earliest Possible Retroactive Accounting Period 

You can only change the earliest possible retroactive accounting period for a payroll area, whilst exiting payroll.
  1. From the SAP Easy Access screen, choose Payroll ® Payroll <Country> ® Payroll ® Tools ® Control Record in the SAP menu.
  2. Enter the payroll area for which you want to change the earliest possible retroactive accounting period and choose Change.

The earliest possible retroactive accounting period can only be changed, after you have set payroll status to Exit payroll and before you save the payroll control record.
  1. In the Earliest retroactive accounting period field, enter your new earliest retroactive accounting period and save your entries.