As used in this act.
The requirements of this subclause shall not be applicable and a motor vehicle dealer shall have no duty to inform if the motor vehicle dealer rustproofed a new motor vehicle before offering it for sale to that purchaser, provided that the dealer shall inform the purchaser whenever dealer rustproofing has an effect on any manufacturer's warranty applicable to the vehicle. This subclause shall not apply to any new motor vehicle which has been rustproofed by a motor vehicle dealer prior to the effective date of this subclause.
73 P.S. § 201-2