Discovery of eavesdropping device by common carrier by wire – disclosure to subscriber.) Any agent, officer or employee of any common carrier by wire who discovers any physical evidence of an eavesdropping device which such person does not know to be a legal eavesdropping device shall, within a reasonable time after such discovery, disclose the existence of the eavesdropping device to the State‘s Attorney of the County where such device was found. The State’s Attorney shall within a reasonable time notify the person or persons apparently being eavesdropped upon of the existence of that device if the device is illegal. A violation of this Section is a Business Offense for which a fine shall be imposed not to exceed $500.