(a) Upon receipt of the report of the Planning Commission, if such report recommends approval, or approval with modifications of the proposed amendment, the City Council shall proceed to schedule a public hearing on the proposed amendment with a reasonable hour and place selected for such hearing.
(b) If the report of the Planning Commission recommends disapproval of the proposed amendment, the applicant may, within twenty (20) days after receipt of the report of the Planning Commission, notify the Clerk of City Council in writing, that a public hearing before the City Council is desired. If such notice is received within this time, the application for a proposed amendment shall be treated as under paragraph (a) above. If such notice is not received within the time, the applicant shall be deemed to have withdrawn the proposed amendment and no further action will be taken.