In case employee is promoted to a senior post, or his/her designation is changed or you need to change his Branch/Department with a WEF date, you need to proceed for his Profile transfer. Please open Company Settings from Setup Menu and select the options to enable Employee Profile transfer.
Once Profile transfer is enabled, Go to Employee Menu - Employee Details and you will see 'Employee Profile Change' option under the action menu:
Click on 'Employee Profile Change' option here and from the next pop-up select Previous Profile first and then update new profile with a WEF date as shown below:
At last click on Save button.