Water Code § 26604.5

26604.5.

The district shall comply with the provisions of Chapter 8 (commencing with Section 54900) of Part 1, Division 2, Title 5 of the Government Code. The statement and map or plat shall also set forth the boundaries of any portion of the district in which a rate of taxation is to be levied which is different from the rate to be levied in any other portion of the district.