Cal. Gov't Code § 56036.5

(a) For the purposes of Chapter 1 (commencing with Section 57000) to Chapter 7 (commencing with Section 57176), inclusive, of Part 4 or Part 5 (commencing with Section 57300), for each of the following entities proceedings for a change of organization shall be conducted pursuant to the principal act authorizing the establishment of that district:
1. (1) A unified or union high school library district.
2. (2) A bridge and highway district.
3. (3) A joint highway district.
4. (4) A transit or rapid transit district.
5. (5) A metropolitan water district.
6. (6) A separation of grade district.
(b) For other districts, where the principal act provides, the procedures in the principal act shall supersede the procedures set forth in this division.