(1) It is the duty of any inspector, or any other person having cognizance of any violation of this chapter, to make complaint forthwith against the person so offending to the district attorney for the county in which the offense is alleged to have been committed.
(2) It is the duty of the district attorney to represent and prosecute, on behalf of the state, all cases of offense arising under this chapter and within any county under the district attorney's jurisdiction.
(3) All prosecutions for fines and penalties under the criminal provisions of this chapter shall be by indictment or presentment and when collected shall be paid over to the state treasurer, one fourth (¼) of which shall be paid to the informer, and three fourths (¾) placed into the general fund.