2005 California Government Code Sections 59290-59292 Article 6. Diagram

59290.  If pursuant to the notice, the bondholders file with the
legislative body one or more written proposals for the surrender and
cancellation or redemption of not less than 75 percent of the
principal amount of all the original bonds referred to in the
resolution of intention, the legislative body shall direct the
engineer to make a diagram of the property within the new district,
affected or benefited by the proposed acquisition and cancellation of
such original bonds and to be assessed to pay the cost of the
proceedings.
59291.  If in the original proceedings for formation of the district
and the issuance of bonds any lot was excepted from the special
assessment tax levy to pay the principal and interest of the bonds,
the lot shall be shown upon the diagram but no reassessment shall be
levied on it.
59292.  The diagram shall show each lot in the new district and its
dimensions sufficient to identify it.