Within thirty (30) days after the first regular meeting of the Planning Commission after the receipt of the proposed amendment, the Planning Commission shall recommend to City Council that the amendment be approved as requested, or it may recommend that the amendment be denied. In formulating such recommendation, the Planning Commission may seek input from interested parties in the form of hearings, meetings, or other methods. If a public hearing is held, the notification requirements for such hearing shall be as cited in Section 1145.06(a) below, and the Planning Commission may extend the time required for a recommendation to not more than ninety (90) days.