Rate of Pay on Appointment to a Classification Level Having a Higher Maximum Rate. An employee appointed to a classification level having a maximum rate of pay four per cent (4%) or more greater than the maximum of his/her former substantive classification level shall be paid in his/her new classification level at the rate of pay, nearest to the rate he/she was entitled to in his/her substantive level immediately before the appointment that gives him/her an increase in pay of not less than the smallest pay increment for his/her new classification level. If there is no such rate the employee shall be paid the maximum rate in his/her new scale.