The director shall investigate complaints made to him concerning violations of the provisions of this act, and shall, upon his own initiative, conduct such investigations as he deems appropriate and advisable to develop information on prevailing procedures in commercial quantity determinations and on possible violations of the provisions of this act, and shall have the power to subpoena witnesses or take depositions, throughout the state, in relation to investigations or any hearings held by him under this act.
Idaho Code § 71-114