Section 733 - Warrantor liability for authorized aftermarket rustproofing; notification1. It shall be unlawful for a warrantor to include in any warranty agreement a clause that purports to limit a buyer's warranty protection on the basis that the buyer has, or may have, a claim under an existing warranty.2. It shall be unlawful for a warrantor to fail to notify a buyer in writing within ten business days of inspecting the buyer's motor vehicle for rust damage whether the warranty claim will be allowed or denied. If the claim is denied, the specific reasons for the denial shall be stated in writing.3. It shall be unlawful for a warrantor to fail to honor a buyer's warranty claim on the basis that the aftermarket rustproofing was applied improperly, if such service was provided by a person authorized by the warrantor.4. Nothing contained in this section shall be deemed to prevent a warrantor from refusing to honor a warranty claim based upon the failure of a buyer to comply with provisions of a warranty with respect to the proper care and maintenance of the aftermarket rustproofing.