Section 246-945-065 - Precursor substance control(1) For the purpose of this chapter, in addition to the substances in RCW 69.43.010, a precursor substance is any of the following substances or their salts or isomers: (a) Gamma-butyrolactone (GBL); and(2) A precursor substance defined in subsection (1) of this section does not include any drug that contains ephed-rine, phenylpropanolamine, or pseudoephedrine or any cosmetic if that drug or cosmetic can be lawfully sold, transferred, or furnished over-the-counter without a prescription or by a prescription under chapter 69.04 or 69.41 RCW.Wash. Admin. Code § 246-945-065
Adopted by WSR 20-12-072, Filed 6/1/2020, effective 7/1/2020, and 3/1/2021