Except for the powers and duties devolved upon the board of tax appeals by the provisions of RCW 82.03.010 through 82.03.190, the director of revenue shall, after July 1, 1967, exercise those powers, duties and functions theretofore vested in the tax commission of the state of Washington, including all powers, duties and functions of the commission acting as the commission or as the state board of equalization or in any other capacity.