SECTION 4. PRESENT EMPLOYEES.

   Any officer or employee who has been in the classified service of the City for a period of more than 90 days on the effective date of this Charter or who has been continuously and permanently employed for more than 90 days in a position which will be included in the classified service as a result of the adoption of this Charter, shall retain his position until discharged, reduced, promoted or transferred pursuant to the provisions of Civil Service.