RCW 70A.505.090: Producers must participate in an approved product stewardship program. (Effective until January 1, 2029.)

As of January 1, 2013, no producer, wholesaler, retailer, electric utility, or other person may distribute, sell, or offer for sale mercury-containing lights for residential use to any person in this state unless the producer is participating in a product stewardship program under a plan approved by the department.