DRV_WORK_PREFERENCE_STATUS is a derived field which displays messages in regards to the candidate's work preference status.

If there are mandatory preferences that have not been populated, the message 'Mandatory preferences have not been completed' will display. 

If the candidate/Administrator has selected a value for a preference without saving, the message 'Click on Save Button to refresh the postings list' will display. 

If all of the mandatory preferences have been populated the message 'Completed' will display.