Washington cannabis regulations: new and proposed rules
36 notices on cannabis from Washington since 1 October 2026: final rule, proposed rule and notice. Rules first, newest first, each with its dates and a link to the state register.
- Final rule
Rule requiring sanitary facility maintenance and proper storage of cleaning agents in cannabis production.
- Proposed rule
Preproposal statement considering certification program for cannabis licensees participating in licensed medical cannabis activity.
- Proposed rule
Proposed rule establishing medical cannabis licensee certification process for federal registration and banking purposes.
- Proposed rule
Proposed rule addressing disproportionate cost impacts on small cannabis businesses and mitigation measures for implementation.
- Proposed rule
Proposed rule aligning cannabis regulations with state law changes on terminology and product classifications.
- Proposed rule
Proposed rule classifying medical grade high THC cannabis products limited to specific forms with potency and packaging limits for qualified patients.
- Proposed rule
Proposed rule cost analysis determining that cannabis testing and packaging changes exceed minor cost threshold for businesses.
- Proposed rule
Proposed rule defining high CBD cannabis product ratios, potency limits, labeling, and eligibility for adult and qualifying patient purchases.
- Proposed rule
Proposed rule defining marijuana and cannabis products, concentrates, infused products, and THC concentration thresholds for licensing and retail sale.
- Proposed rule
Proposed rule describing small business involvement in cannabis product standard development through workshops and stakeholder engagement.
- Proposed rule
Proposed rule detailing costs for cannabis producers and laboratories to implement new testing and validation methods.
- Proposed rule
Proposed rule detailing employee hygiene and sanitation requirements for cannabis production and handling.
- Proposed rule
Proposed rule documenting small business participation in cannabis rulemaking workshops and feedback incorporation process.
- Proposed rule
Proposed rule establishing cannabis product testing standards for aflatoxin, ochratoxin, terpenes, pesticides, and heavy metals.
- Proposed rule
Proposed rule establishing medical grade general use cannabis product classification with labeling, packaging limits, and retail sale eligibility.
- Proposed rule
Proposed rule establishing retail sales tax exemptions for compliant and medical grade cannabis products.
- Proposed rule
Proposed rule expanding cannabis product labeling requirements and transparency measures including QR codes and COA access.
- Proposed rule
Proposed rule mandating equipment sanitation and safe water supply for cannabis production facilities.
- Proposed rule
Proposed rule requiring cannabis businesses to update terminology, labeling, and quality control standards.
- Proposed rule
Proposed rule requiring certificate of analysis, harvest/production dates, and terpene concentration on cannabis product labels.
- Proposed rule
Proposed rule requiring employee training on cannabis product requirements and medical authorization procedures.
- Proposed rule
Proposed rule requiring pesticide screening using allowed pesticides only, with prohibited pesticide detection standards and failed batch destruction procedures.
- Proposed rule
Proposed rule requiring terpene quantification and restricting terpene additions to cannabis products.
- Proposed rule
Proposed rule requiring terpene testing as mandatory for medical cannabis designation with validation and verification requirements.
- Proposed rule
Proposed rule restricting cannabis retailers and employees from diagnosing diseases or offering medical consultation.
- Proposed rule
Proposed rule restricting medical-related language and claims on cannabis product labels.
- Proposed rule
Proposed rule restricting pesticide use in cannabis production to manufacturer label requirements and allowed pesticides designated by department regulation.
- Proposed rule
Proposed rule specifying pesticide, mycotoxin, residual solvent, and heavy metal testing requirements for cannabis products.
- Proposed rule
Proposed rule updating quality assurance testing requirements for medical cannabis products, including contaminant screening.
- Notice
Notice defining medical grade cannabis products, pesticide standards, packaging, production activities, and qualifying patient eligibility under Washington regulations.
- Notice
Notice defining processor and producer licensing roles, product definitions, laboratory certification, and medical cannabis endorsement requirements.
- Notice
Notice establishing high THC cannabis product classifications limited to capsules, tablets, tinctures, patches, and suppositories with milligram limits.
- Notice
Notice establishing medical grade cannabis product logo requirements and label information disclosure standards.
- Notice
Notice requiring pesticide and heavy metal screening for cannabis flowers, concentrates, and imported cannabinoids with sampling protocols and action levels.
- Notice
Notice updating definitions for medical cannabis products, qualifying patients, designated providers, and cannabis product classifications and compliance standards.
- Notice
Governor's explanation of denial of cannabis producer canopy expansion petition citing market stability concerns.
Also in Washington
Cannabis rules in other states
About these Washington notices
Which Washington notices are listed?
Notices, proposed, emergency and final rules on cannabis printed in the Washington register since 1 October 2026, newest first. Each links to the page it was printed on.
Is any of this reviewed by a lawyer?
No. The one-line description of each notice is drafted by a model and is not attorney-reviewed. Read the register page before relying on it.
Every cannabis rule change, with its date
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