Any plat or portion thereof may be vacated by filing a written instrument declaring said plat or portion thereof to be vacated. Such instrument shall be submitted to the Planning and Zoning Commission who shall review same and make a recommendation to Council. Council may approve or reject, any such instrument. A 2/3 majority vote by Council is required to overturn a recommendation by the Planning and Zoning Commission. Upon approval by Council, said instrument may be recorded in like manner as plats of subdivisions and shall operate to destroy the force and effect of the plat, or portion thereof, so vacated.