36. The salary of a senior administrator appointed to a position of senior administrator or officer in a lower evaluation class shall be reduced, if needed, to the maximum for the salary class of the new position, or maintained, if his salary is already within the range of the new salary class.Where the salary of a senior administrator is decreased following such an appointment:
— the senior administrator shall receive as a lump sum the total difference between the salary he received prior to the appointment and the new annual salary he is entitled to, for the first 3 years following the appointment;
— the senior administrator shall receive in the same manner two thirds of the difference between the salary he received prior to the appointment and the new annual salary he is entitled to for the fourth year, during that fourth year;
— the senior administrator shall receive in the same manner one third of the difference between the salary he received prior to the appointment and the new annual salary he is entitled to for the fifth year, during that fifth year.