WA SB5765

Adds "board-certified psychiatric pharmacist" as a new defined term in Washington's involuntary treatment act (RCW 71.05), defined as a pharmacist licensed under chapter 18.64 RCW who holds a psychiatric pharmacy specialty certification

Authorizes board-certified psychiatric pharmacists to sign petitions for 14-day involuntary detention or 90-day less restrictive alternative treatment, alongside physicians, physician assistants, and psychiatric advanced registered nurse practitioners

Permits board-certified psychiatric pharmacists to provide declarations supporting petitions for assisted outpatient treatment when they have examined the person within 10 days prior to petition submission

Allows board-certified psychiatric pharmacists to provide concurring medical opinions approving involuntary antipsychotic medication administration under less restrictive alternative treatment orders

Amends RCW 71.05.020, 71.05.148, 71.05.230, and 71.05.585, with contingent effective dates tied to section 26, chapter 433, Laws of 2023