Section 22574 Of Article 4. Reports From California Streets And Highways Code >> Division 15. >> Part 2. >> Chapter 1. >> Article 4.

. The diagram and assessment may classify various areas within an assessment district into different zones where, by reason of variations in the nature, location, and extent of the improvements, the various areas will receive differing degrees of benefit from the improvements. A zone shall consist of all territory which will receive substantially the same degree of benefit from the improvements.