WAC 212-10-015. Application and scope

(1) The provisions of these rules shall apply to: (a) All dwelling units occupied by persons other than the owner after December 31, 1981; (b) All dwelling units built or manufactured in this state after December 31, 1980; and (c) All dwelling units sold on or after July 1, 2019. (2) Notwithstanding the provisions of chapter 19.27 RCW, RCW 43.22.340 through 43.22.434 and 43.22.450 through 43.22.490 , the provisions of these rules shall also apply to all buildings or structures, mobile homes and factory built housing used as dwelling units.