Answer:
- Go to Main > Master Data Management > Others > Designation Set Up (M > O > D)
- Press Alt + L
- Select Designation or create new.
- Set “Change Action Control = Yes”
- Set “Change Date = No” (restrict user from changing date in transaction).
- Set “Change Date Range = No” (restrict user from changing date range in main screen).
- Set “Change Report Date Range = No” (restrict user from changing date range in any report and display).

For more details please visit: http://www.rancelab.com/help/fr6_designation_setup.htm