BPC §13532: (a) It is unlawful for any person to display any advertising medium that indicates the price of motor vehicle fuel unless the advertising medium displays all of the following: (1) The total price per

(a) It is unlawful for any person to display any advertising medium that indicates the price of motor vehicle fuel unless the advertising medium displays all of the following: (1) The total price per gallon, liter, or other unit of measurement adopted pursuant to Section 12107, 13404, or 13404.5, including all taxes, in numerals, and fractions when applicable, not less than six inches in height and of uniform size and color. For purposes of this article, fractions are considered one numeral. For purposes of this section, electricity sold as a motor vehicle fuel shall meet only the requirements adopted pursuant to Section 13404.5. (2) The trademark or brand of the motor vehicle fuel in letters, figures, or numerals not less than one-third the size of the numerals designating the price. (3) The word “gasoline” or the name of other motor vehicle fuel in letters not less than one-third the size of the numerals designating the price, but these words need not be more than four inches in height. (4) The grade designation of the motor vehicle fuel in letters or numerals not less than one-sixth the size of the numerals designating the price, but this designation need not be more than four inches in height. (5) If motor vehicle fuel prices are advertised by the unit of measurement other than gallon, the unit shall be displayed on the advertising medium in letters not less than one-third the size of the numerals designating the price. (b) (1) It is unlawful for any person to display an advertising medium that advertises a discount or price reduction for motor vehicle fuel, unless the advertising medium contains all the following: (A) The total price per gallon, liter, or other unit of measurement adopted pursuant to Section 12107, 13404, or 13404.5 from which the discount or price reduction is to be taken. (B) The amount of the discount or price reduction in cents per gallon, liter, or other unit of measurement using numerals that do not exceed the height of the numerals in the advertised price. (C) The conditions of the discount or price reduction using words whose letters are not less than one-third the size of the price numerals. (2) Any limitations under which the discount or price reduction is offered shall be explained in words whose letters are not less than one-third the size of the numerals indicating the prices. (3) There shall be available for each customer’s reference, a chart showing the amount of discount for each type of unit being sold or fraction thereof in one cent ($0.01) increments, or the retail dispensers used to dispense motor vehicle fuel at the discount price shall be set to compute the total sale at the discounted price per gallon or liter and shall be clearly labeled “Includes Cash Discount” in letters not less than one inch in height. (4) For purposes of this subdivision, the motor vehicle fuel shall be sold in the same unit of measure in which the discount and the price from which the discount is taken are advertised. (c) In the event that the same grade of motor vehicle fuel is sold at different prices from any single place of business, it is unlawful for any person to display any advertising medium that advertises a price of a grade of motor vehicle fuel unless the advertising medium advertises in numerals of equal size each of the higher prices, including all taxes for which the grade is sold or offered for sale, and unless the advertising medium explains the conditions, and any limitations, under which that grade is sold or offered for sale at different prices. The words of explanation shall be clearly shown in letters at least one-third the size of the numerals indicating the prices. The different prices at which the same grade of motor vehicle fuel is sold or offered for sale shall be advertised in the same unit of measure as permitted or required by law. (d) Nothing in this section prohibits any person who has posted or displayed a sign or advertising medium in compliance with this chapter from displaying additional signs or advertising media that state either (1) the amount of discount in cents per gallon, liter, or other unit of measurement adopted pursuant to Section 12107, 13404, or 13404.5, or (2) the total price of one or more brands or grades of motor vehicle fuel sold or offered for sale, provided the conditions and any limitations of the discount or price of the brand or grade of motor vehicle fuel are included in the additional advertising media in letters not less than one-third the size of the numerals indicating the discount or price.