If no lots in a subdivision for which a final map has been approved and recorded have been sold within five years of the effective date of this Chapter, or if none of the improvements required to have been made have been installed within two years of the date of recordation, the Planning Commission may, after a public hearing, revoke the final approval of the subdivision and the land shall return to its former undivided state. Such revocation of final approval shall be made without prejudice to the filing of another subdivision map. (Ord. 3429 § 1, 2009)