Washington Revised Code Title 51. Industrial Insurance § 51.52.020. Board--Rule-making power

The board may make rules and regulations concerning its functions and procedure, which shall have the force and effect of law until altered, repealed, or set aside by the board: PROVIDED, That the board may not delegate to any other person its duties of interpreting the testimony and making the final decision and order on appeal cases. All rules and regulations adopted by the board shall be printed and copies thereof shall be readily available to the public.