RCW 46.79.140: Catalytic converters—Disassembling and de-canning.

(1) No person may engage in the business of disassembling or de-canning a catalytic converter for removal or processing of the internal core to extract platinum, palladium, rhodium, or other metals, unless the person is a licensed scrap processor under this chapter.

(2) Any licensed scrap processor engaged in disassembling or de-canning catalytic converters as described in this section shall maintain the records of every catalytic converter the scrap processor disassembles or de-cans in accordance with the recordkeeping requirements of this chapter and other provisions of the law.

(3) Any licensed scrap processor engaged in disassembling or de-canning catalytic converters as described in this section shall implement a 30-day waiting period between the purchase and disassembly or de-canning of a catalytic converter, unless the scrap processor is also the registered owner of the originating vehicle.