All certificates of age and permits required by this chapter relating to the qualification of children employed in any factory, or manufacturing, or business establishment coming under the provisions of this chapter, shall be kept by the employer at the place where the child is employed, and shall be shown to the compliance inspectors provided for by chapter 20 of this title, or either or any of them, on demand by the inspector or inspectors, and the proprietor or manager of any factory or manufacturing or business establishment who shall fail to produce or shall refuse to show to any compliance inspector any certificate or permit when demand is made therefore, shall be fined one hundred dollars ($100) for each offense.