The report of the person or board to whom the improvement is referred by the legislative body shall contain all of the following:
Each subdivision, including each separate condominium interest, as defined in Section 783 of the Civil Code, shall be given a separate number upon the diagram. The diagram may refer to the county assessor's maps for a detailed description of the lines and dimensions of any parcels, in which case those maps shall govern for all details concerning the lines and dimensions of the parcels.
Ca. Sts. and High. Code § 10204