679B.9  Oath — rule of evidence.
  Any member of the board may administer an oath, and the board may accept, admit, and call for such evidence as in equity and good conscience it thinks material and proper, whether strictly legal evidence or not.
[S13, §2477-n4; C24, 27, 31, 35, 39, §1504; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §90.9]
86 Acts, ch 1245, §944
C87, §679B.9