A subdivision map which requires a final or parcel map shall not be approved and subsequently recorded until improvements required as a condition of approval of the tentative map have been completed or a subdivision agreement to complete the improvements has been entered into pursuant to Section 66462 of the Map Act. Such agreement to complete improvements shall be guaranteed by security in the amount, type, form, and content as set forth in this chapter. (Ord. 617 §2 (Exh. A), 2011; Ord. 474, 2002).