479.17  Rules.
  The said board shall have full authority and power to promulgate such rules as it deems proper and expedient to insure the orderly conduct of the hearings herein provided for and also to prescribe rules for the enforcement of this chapter.
[C31, §8338-d15; C35, §8338-f31; C39, §8338.39; C46, 50, 54, 58, 62, 66, 71, 73, 75, §490.18; C77, 79, 81, §479.17]