Idaho Code § 23-936: Duty of public officers.

It is hereby made the duty of the prosecuting attorneys, sheriffs, and all constables and peace officers of the counties or municipalities knowing of any violation of this act to make complaint before the proper tribunal and perform the duties of their offices with respect to the prosecution and conviction of such offenders. Any such officer knowingly refusing to inform against or prosecute any offender under the provisions of this act shall be subject to action against him as provided in chapter 41, title 19, Idaho Code.