B. The planning commission or city council shall either approve and recommend the enactment of the proposed amendment, disapprove it or recommend an alternative zoning district more restrictive than that proposed.
C. If any proposed zoning is disapproved by the planning commission and no appeal is filed, such action by the planning commission shall be final and conclusive. The disapproval of a matter initiated by the planning commission itself shall be final, and not subject to appeal.
D. All approvals and recommendations of zone changes by the planning commission shall be presented to the city council for final action following public hearing by the planning commission. Matters so presented to the city council for final action shall not require a noticed public hearing before the city council except as required by Section 17.64.100 or unless an appeal is filed pursuant to Section 17.64.090.