RCW 12 refers to the Revised Code of Washington Title 12, which governs the laws related to civil commitment and mental health in the state of Washington. This code outlines the procedures for involuntary treatment of individuals with mental health disorders, ensuring their rights while also addressing public safety concerns. The provisions in RCW 12 include criteria for determining when a person may be committed, the rights of individuals undergoing evaluation, and the responsibilities of mental health professionals. This legal framework aims to balance the need for treatment with the protection of individual liberties.