RCW 19.27A.090: Portable oil-fueled heaters—Sales and use—Approval required.

Notwithstanding any other section of the state building code, chapter 19.27 RCW, or any other code adopted by reference in chapter 19.27 RCW, approved portable oil-fueled heaters may be offered for sale, sold, and used as a supplemental heat source in structures in the state. Portable oil-fueled heaters which are not approved may not be offered for sale, sold, or used in this state. Any approved portable oil-fueled heater may be offered for sale, sold, and used in locations other than structures unless specifically prohibited by laws of this state.