Merges medical marijuana and recreational marijuana provisions.

Requires the state liquor and cannabis board to: (1) Reconsider the maximum number of retail outlets it established and reconsider limits on the amount of square feet permitted to be in production; and

(2) Allow for a new license application period and a greater number of retail outlets to be permitted in order to accommodate the medical needs of qualifying patients and designated providers.

Provides qualifying patients a retail sales and use tax exemption on purchases of marijuana for medical use when: (1) Authorized by a health care professional; and

(2) Registered with the medical marijuana registry.

Establishes a medical marijuana endorsement to a marijuana retail license.

Requires the department of health to convene a work group to: (1) Develop practice guidelines for health care professionals to consider when authorizing the medical use of marijuana for patients; and

(2) Consider appropriate training and practice standards for employees of a licensed marijuana retailer that holds a medical marijuana endorsement.

Allows health care professionals to authorize the medical use of marijuana for qualifying patients who are under the age of eighteen if certain conditions are met.

Allows a school to permit a minor who meets certain requirements to consume medical marijuana on school grounds.

Requires a medical marijuana advisory group to be appointed by the governor to advise and assist the state liquor and cannabis board in adopting rules relating to the medical use of marijuana.

Exempts from disclosure under the public records act: (1) Records in the medical marijuana registry containing names and other personally identifiable information of qualifying patients and designated providers; and

(2) Financial information related to an application for a marijuana license.

Changes the name of the state liquor control board to the state liquor and cannabis board.

Requires the code reviser to prepare legislation for the 2015 legislative session changing references in the Revised Code of Washington from the state liquor control board to the state liquor and cannabis board.