Washington Revised Code Title 70A. Environmental Health and Safety § 70A.500.160. Electronic products for sale must include manufacturer's brand

(1) Beginning January 1, 2007, no person may sell or offer for sale an electronic product to any person in the state unless the electronic product is labeled with the manufacturer's brand. The label must be permanently affixed and readily visible.

(2) In-state retailers in possession of unlabeled products on January 1, 2007, may exhaust their stock through sales to the public.