Annual/Personal Leave Accrual. Employees shall accrue leave only when in paid status. Paid status shall be defined as at work or on approved paid leave. Leave accrued while an employee is in paid leave status, however, shall be canceled if the employee terminates employment or fails to resume active duty upon completion of the authorized leave, except in serious emergency circumstances which have been approved by the Chief Human Resources Officer. Employees shall not accrue leave while in unpaid leave status.