The secretary shall cause an examination and inspection of all livestock, domestic rabbits and poultry, and the food products thereof, which are slaughtered and prepared in establishments for the purposes of intrastate commerce, to be made during the nighttime as well as during the daytime when such slaughtering or the preparation of such food products is conducted during the nighttime. The secretary of agriculture shall by rule and regulation establish a schedule of fees to be charged against establishments for inspections made other than during regularly scheduled inspection periods and for all costs incurred in paying overtime to inspectors required for the inspection of such establishments.
K.S.A. 65-6a26