RCW 69.48.030

A covered manufacturer must establish and implement a drug take-back program that complies with the requirements of this chapter. A manufacturer that becomes a covered manufacturer after June 7, 2018, must, no later than six months after the date on which the manufacturer became a covered manufacturer, participate in an approved drug take-back program or establish and implement a drug take-back program that complies with the requirements of this chapter. A covered manufacturer may establish and implement a drug take-back program independently, as part of a group of covered manufacturers, or through membership in a drug take-back organization.