As a condition of approval of a tentative map for which a parcel map is required, improvements as set forth in this chapter may be required. The extent of such improvements shall be determined by the planning commission pursuant to Section 66411.1 of the Map Act. The planning commission may waive improvements until development of proposed division of land occurs. Improvements shall not be waived in any developed area. (Ord. 617 §2 (Exh. A), 2011; Ord. 474, 2002).