75 Pa.C.S. § 4733: Prohibited provision.

(a) General rule.--It shall be unlawful for any agreement to contain a provision requiring the operation of a retail motor vehicle fuel station during those hours that are proven by a retail motor vehicle fuel station owner or operator to be unprofitable to such owner or operator.

(b) Definitions.--As used in this section, the following words and phrases shall have the meanings given to them in this subsection:

"Agreement." A contract or lease, or combination of both, or other terminology used to describe a contractual relationship between any or all of the following parties: a refiner, a distributor and a retail motor vehicle fuel station owner or operator.

"Distributor." A person who purchases motor vehicle fuel from a refiner for the purpose of resale to a retail motor vehicle fuel station.

"Refiner." A manufacturer of motor vehicle fuel.

"Retail motor vehicle fuel station." A place of business where motor vehicle fuel is sold and dispensed into the tanks of motor vehicles, either by means of a self-service or full-service pump.