Every person who sells tobacco, smoking hemp, or vapor products at retail shall post conspicuously and keep so posted at the place of business a sign, no smaller than ninety-three and one-half (93 ½) square inches, to ensure that it is likely to be read at each point of sale, stating the following: STATE LAW STRICTLY PROHIBITS THE SALE OF TOBACCO PRODUCTS, VAPOR PRODUCTS, OR SMOKING PARAPHERNALIA TO PERSONS UNDER THE AGE OF TWENTY-ONE (21) YEARS
PROOF OF AGE MAY BE REQUIRED