It shall be a misdemeanor for any person, firm, association, or corporation selling seeds or plants in this state to use any evidence of certification, including specially designed tags or any tags similar thereto or the word "certified," on any package of seeds or plants, unless such seeds or plants have been duly inspected and certified as provided for in this article or have been inspected and certified by a legally constituted agency of another state or foreign country. The duty of enforcing this Code section shall be vested in the Commissioner.