Chapter 6. Creating Assessment Districts of California Streets And Highways Code >> Division 7. >> Part 3. >> Chapter 6.

The legislative body shall make the expense of such work chargeable upon a district, which the legislative body shall, in its resolution of intention, declare to be the district benefited by the work, and to be assessed to pay the cost and expense thereof. The territory comprising said district may, but need not, include all, or be confined to, or extend beyond, the lots or lands fronting upon the improvement, or be contiguous, and the district may consist of separate and distinct areas or sections. The work performed in one section need not benefit the other section or sections.

The district may be described by:
  (a) Stating its exterior boundaries; or
  (b) Giving a description thereof according to any official or recorded map; or
  (c) Referring to a plat or map on file in the office of the clerk or engineer at the time of passing the resolution of intention, which shall indicate by a boundary line the extent of the territory included in the proposed district, and shall govern for all details as to the extent of the assessment district.

The assessment district need not be described in any of the notices, resolutions, orders or determinations provided for in this division, other than the resolution of intention. Any description of said district in any of the same shall be sufficient, if it refers to the resolution of intention for a description of the district.