With respect to the National Scenic Area, as defined in the Columbia [River] Gorge National Scenic Area Act, P.L. 99-663, the exercise of any power or authority by a local government or the department of ecology pursuant to this chapter shall be subject to and in conformity with the requirements of chapter 43.97 RCW, including the management plan regulations and ordinances adopted by the Columbia River Gorge commission pursuant to the Compact.