RSA 339:30-a Gasoline and Diesel Fuel Prices.

I. All persons who shall offer for sale or sell gasoline or diesel fuel at retail shall post the price of all grades and services of such fuel in at least 2 of the following ways:
(a) On a price sign affixed to the fuel dispenser in numerals not less than 4 inches high and 3/4 of an inch in width; such price signs shall be placed on the dispenser so that they are clearly visible from both sides of the dispenser from either direction of a motorist's approach;
(b) On a stationary roadside fuel price sign; the stationary roadside fuel sign must be clearly visible from the street; or
(c) By a digital unit price indicator or an analog unit price indicator on the face of the dispenser; the indicators must display the actual price of the fuel pumped.
II. When a grad