(a) Disclosure requirements.--Each distributor, producer or refiner who sells or offers or exposes for sale or delivers, distributes, blends or produces automotive fuel in this Commonwealth shall provide, at the time of delivery, a bill, shipping manifest or other type of written invoice to the person who receives the automotive fuel. The bill, shipping manifest or other written invoice shall state the automotive fuel rating.

(b) Posting and labeling requirements.--

(1) Each retailer of automotive fuel in this Commonwealth shall label in a clear and conspicuous manner each automotive fuel dispenser which is used to sell or offer or expose for sale automotive fuel, with the automotive fuel rating of the fuel, which shall be consistent with the automotive fuel rating certified to the retailer by the refiner, distributor or oxygenate blender, as the case may be.

(2) In the case of gasoline which is blended with other gasoline, the automotive fuel rating shall be the average, weighted by volume, of the octane rating certified to the retailer by the distributor or refiner for each gasoline in the blend or consistent with the lowest octane rating for any gasoline in the blend as certified to the retailer by a refiner or distributor.

(c) Oxygenated gasoline labeling requirements.--A person who sells or offers or exposes oxygenated gasoline for sale shall clearly and conspicuously label the dispenser which is used to sell oxygenated gasoline at retail or to dispense oxygenated gasoline into the fuel supply tanks of motor vehicles with a notice stating that the gasoline is oxygenated.

(d) (Reserved).

Cross References. Section 4187.5 is referred to in sections 4187.6, 4187.7 of this title.