Any bonds of the district, authorized or issued in any manner provided by law, and any proceedings taken by the district in connection therewith, prior to the adoption of the resolution changing the method of voting, shall not be affected by such resolution, and the bonds shall continue to be legally authorized or issued bonds. Bonds of the district to which this section is applicable shall include, but not be limited to, any of the following:

1. (a) Bonds authorized pursuant to Chapter 3 (commencing with Section 35150) of this part.
2. (b) Bonds authorized on behalf of an improvement district pursuant to Chapter 4.9 (commencing with Section 36410) of Part 6 of this division.
3. (c) Bonds authorized pursuant to Chapter 3.5 (commencing with Section 36250) of Part 6 of this division.
4. (d) Bonds, including additional bonds, authorized pursuant to Chapter 2 (commencing with Section 35950) of Part 6 of this division.