All retail establishments selling meats which have been either state or federally inspected shall display a sign adjacent to the meat counter and plainly visible to the customer stating that "meat sold over this counter has been state inspected," or if it is federally inspected it shall state that "meat sold over this counter has been federally inspected." This sign shall be not less than 24"x10" in size with prominent letters.
Okla. Stat. tit. 63, § 315