Notwithstanding any of the provisions of this chapter, the City Council may certify and review any action taken by the Planning Commission on a tentative subdivision map or exceptions requested. Such certification by the council shall be taken not later than twenty one days from the date on which the Planning Commission action occurred. All proceedings shall be stayed in any event until the expiration of the period in which the Council may certify and review the action. Such certification by the Council shall stay all proceedings in the same manner as the filing of a notice of appeal, and such certification shall be noticed, heard and determined in the same manner as provided in Section 21.16.050. (Ord. 5793-NS § 2 (part), 1987)