NRS 590.220: Size of letters, words, figures or numerals indicating total price per unit of measure of motor vehicle fuel.

All letters, words, figures or numerals used on the advertising medium referred to in NRS 590.160 to 590.330, inclusive, to indicate the total price per unit of measure, including taxes, of motor vehicle fuel sold or advertised for sale must be uniform in size and must be at least 6 inches in height, and the height must not be more than twice the width. If a fraction is used on a price sign, the combined height of the numerator and denominator must be of the same height and design as the other numerals indicating price. Numerators without denominators must not be used for fractions.