(1) It is unlawful for any person to possess a controlled substance unless the substance was obtained directly from, or pursuant to, a valid prescription or order of a practitioner while acting in the course of his or her professional practice, or except as otherwise authorized by this chapter.

(2) Except as provided in RCW 69.50.4014, any person who violates this section is guilty of a class C felony punishable under chapter 9A.20 RCW.

(3)(a) The possession, by a person twenty-one years of age or older, of useable marijuana, marijuana concentrates, or marijuana-infused products in amounts that do not exceed those set forth in RCW 69.50.360(3) is not a violation of this section, this chapter, or any other provision of Washington state law.

(b) The possession of marijuana, useable marijuana, marijuana concentrates, and marijuana-infused products being physically transported or delivered within the state, in amounts not exceeding those that may be established under RCW 69.50.385(3), by a licensed employee of a common carrier when performing the duties authorized in accordance with RCW 69.50.382 and 69.50.385, is not a violation of this section, this chapter, or any other provision of Washington state law.

(4) No person under twenty-one years of age may possess, manufacture, sell, or distribute marijuana, marijuana-infused products, or marijuana concentrates, regardless of THC concentration. This does not include qualifying patients with a valid authorization.

(5) The possession by a qualifying patient or designated provider of marijuana concentrates, useable marijuana, marijuana-infused products, or plants in accordance with chapter 69.51A RCW is not a violation of this section, this chapter, or any other provision of Washington state law.

[2015 2nd sp.s. c 4 § 503; 2015 c 70 § 14; 2013 c 3 § 20 (Initiative Measure No. 502, approved November 6, 2012); 2003 c 53 § 334.]

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