Washington Code > Chapter 20.01 > § 20.01.560 Washington Code 20.01.560 – Effective date of RCW 20.01.500 through 20.01.550 Current as of: 2023 | Check for updates | Other versions RCW 20.01.500 through 20.01.550 shall take effect beginning on September 1, 1972. [ 1971 ex.s. c 182 § 21.] Previous sectionNext section Chapter 20.01 Contents