If a request is made by the owner to test a scale outside of the regular route or regular tour of inspection of any scale inspector and it is found necessary by the department to send and dispatch a scale inspector with the scale inspection truck and its scale testing equipment, a charge, based upon the number of hours it takes for the travel from the point of departure to the place where the scale inspection and testing is to be made and return to the point of departure, shall be made and assessed against the owner of the scale. The fee shall be charged and collected pursuant to the provisions of § 37-22-10. The per hour charge shall be fixed and collected by the department.
SDCL 37-22-12