Signs to be posted stating licensing status of grain dealer, requirements, violation, penalties — attorney general may investigate violations, also for grain warehouses, when

1. Each grain dealer, as defined in section 276.401, shall prominently display, at the main entrance to the building of the grain dealer and on or about the scale of the grain dealer, if any, so that such sign may be easily viewed by a person using the scale, a sign containing letters of not less than one inch and not more than six inches in height, which shall read either: (1) "NOTICE: THIS GRAIN DEALER IS NOT LICENSED AS REQUIRED BY LAW PURSUANT TO SECTION 276.411, RSMo"; or (2) "NOTICE: THIS GRAIN DEALER IS LICENSED AS REQUIRED BY LAW PURSUANT TO SECTION 276.411, RSMo". 2. Any grain dealer, as defined in section 276.401, who does not display the sign as required by subsection 1 of this section, is guilty of a misdemeanor, and shall be subject to a fine of up to three hundred dollars for each day of the violation. 3. The director of the department of agriculture may refer violations of this section and section 411.778 to the attorney general if the local circuit or prosecuting attorney has not acted upon violations of this section and section 411.778 within ninety days of notice by the director of the department of agriculture of such violation. The attorney general may investigate, prosecute and appoint a special prosecuting attorney in any case which has been referred under this subsection.