(2) Engrossed Substitute Senate Bill No. 2500, which is chapter 288, Laws of 1975 1st ex. sess., was passed by the senate May 28, 1975, passed by the house of representatives June 2, 1975, and approved by the governor July 2, 1975, with the exception of section 4 thereof, which was vetoed by the governor; it includes the repeal of chapter
28A.72 RCW in section 28 thereof.