(1) It is unlawful for any person to knowingly 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 misdemeanor.

(3) The prosecutor is encouraged to divert cases under this section for assessment, treatment, or other services.

(4)(a) The possession, by a person twenty-one years of age or older, of useable cannabis, cannabis concentrates, or cannabis-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 cannabis, useable cannabis, cannabis concentrates, and cannabis-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.

(5)(a) The delivery by a person twenty-one years of age or older to one or more persons twenty-one years of age or older, during a single twenty-four hour period, for noncommercial purposes and not conditioned upon or done in connection with the provision or receipt of financial consideration, of any of the following cannabis products, is not a violation of this section, this chapter, or any other provisions of Washington state law:

(i) One-half ounce of useable cannabis;

(ii) Eight ounces of cannabis-infused product in solid form;

(iii) Thirty-six ounces of cannabis-infused product in liquid form; or

(iv) Three and one-half grams of cannabis concentrates.

(b) The act of delivering cannabis or a cannabis product as authorized under this subsection (5) must meet one of the following requirements:

(i) The delivery must be done in a location outside of the view of general public and in a nonpublic place; or

(ii) The cannabis or cannabis product must be in the original packaging as purchased from the cannabis retailer.

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

(7) The possession by a qualifying patient or designated provider of cannabis concentrates, useable cannabis, cannabis-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.

Expiration date—2022 c 16 §§ 4, 8, 85, and 87: "Sections 4, 8, 85, and 87 of this act expire July 1, 2023." [ 2022 c 16 § 171.]

Intent—Finding—2022 c 16: See note following RCW 69.50.101.

Effective date—2021 c 311 §§ 1-11 and 13-21: See note following RCW 71.24.115.

Expiration date—2021 c 311 §§ 8-10, 12, 15, and 16: See note following RCW 69.50.4011.

Findings—Application—2017 c 317: See notes following RCW 69.50.325.

Findings—Intent—Effective dates—2015 2nd sp.s. c 4: See notes following RCW 69.50.334.

Short title—Findings—Intent—References to Washington state liquor control board—Draft legislation—2015 c 70: See notes following RCW 66.08.012.

Intent—2013 c 3 (Initiative Measure No. 502): See note following RCW 69.50.101.

Intent—Effective date—2003 c 53: See notes following RCW 2.48.180.

(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 cannabis, cannabis concentrates, or cannabis-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 cannabis, useable cannabis, cannabis concentrates, and cannabis-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)(a) The delivery by a person twenty-one years of age or older to one or more persons twenty-one years of age or older, during a single twenty-four hour period, for noncommercial purposes and not conditioned upon or done in connection with the provision or receipt of financial consideration, of any of the following cannabis products, is not a violation of this section, this chapter, or any other provisions of Washington state law:

(i) One-half ounce of useable cannabis;

(ii) Eight ounces of cannabis-infused product in solid form;

(iii) Thirty-six ounces of cannabis-infused product in liquid form; or

(iv) Three and one-half grams of cannabis concentrates.

(b) The act of delivering cannabis or a cannabis product as authorized under this subsection (4) must meet one of the following requirements:

(i) The delivery must be done in a location outside of the view of general public and in a nonpublic place; or

(ii) The cannabis or cannabis product must be in the original packaging as purchased from the cannabis retailer.

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

(6) The possession by a qualifying patient or designated provider of cannabis concentrates, useable cannabis, cannabis-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.

Effective date—2022 c 16 §§ 5, 9, 86, and 88: "Sections 5, 9, 86, and 88 of this act take effect July 1, 2023." [ 2022 c 16 § 172.]

Intent—Finding—2022 c 16: See note following RCW 69.50.101.

Findings—Application—2017 c 317: See notes following RCW 69.50.325.

Findings—Intent—Effective dates—2015 2nd sp.s. c 4: See notes following RCW 69.50.334.

Short title—Findings—Intent—References to Washington state liquor control board—Draft legislation—2015 c 70: See notes following RCW 66.08.012.

Intent—2013 c 3 (Initiative Measure No. 502): See note following RCW 69.50.101.

Intent—Effective date—2003 c 53: See notes following RCW 2.48.180.