Requires the Washington association of sheriffs and police chiefs, in consultation with the criminal justice training commission, to develop and adopt a model policy for use by law enforcement agencies relating to a law enforcement officer's referral of a person to a mental health agency after receiving a report of threatened or attempted suicide.

Requires general authority Washington law enforcement agencies to adopt a policy establishing criteria and procedures for a law enforcement officer to refer a person to a mental health agency after receiving a report of threatened or attempted suicide.

Requires a mental health professional contacted by the designated mental health professional agency to attempt to contact the referred person who is the subject of the report to determine whether additional mental health intervention is necessary.

Provides that this act is null and void if appropriations are not approved.