Wash. Rev. Code § 69.43.160
(1) To prevent violations of RCW 69.43.110, every licensee and registrant under chapter 18.64 RCW, who sells at retail any products containing ephedrine, pseudoephedrine, or phenylpropanolamine, or their salts, isomers, or salts of isomers, shall do either or may do both of the following:
[ 2001 c 96 s 14.]
Intent—Severability—2001 c 96: See notes following RCW 69.43.010.