Mississippi Code Title 75. Regulation of Trade, Commerce and Investments § 75-55-27

(1) No retail station pump shall dispense more than one (1) product and station pipelines for gasoline, alcohol blended fuel, diesel fuel, kerosene, fuel oils, or other products shall be entirely separate.

(2) No requirements or provisions of this chapter shall prevent or abridge the use of gasoline, alcohol blended fuel, diesel fuel, kerosene, liquefied compressed gases or other petroleum products for heating or illuminating purposes through the use of special devices approved by the commissioner when not used on a highway.

(3) The provisions of this chapter are not to apply to products unloaded in this state and intended for shipment into another state; provided no portion be offered for sale, and provided further, that all petroleum products so unloaded be reported to the commissioner.

(4) It shall be unlawful for any person to obstruct or hinder in any way the commissioner or his agents in the performance of his duties.

Where self-service pumps and attendant-operated pumps are both operated at the same retail service station, there shall be attached or painted on each such self-service pump or equipment the words “SELF-SERVICE” in letters of not less than one (1) inch in height and not less than seven (7) inches across, on a contrasting background.