N.J. Stat. § 56:8-73
Notwithstanding any provision of this act to the contrary, a consumer, as a result of a price negotiation for the purchase of a used motor vehicle with over 60,000 miles, may elect to waive the dealer's obligation to provide a warranty on the used motor vehicle. The waiver shall be in writing and separately stated in the agreement of retail sale or in an attachment thereto and separately signed by the consumer. The waiver shall state the dealer's obligation to provide a warranty on used motor vehicles offered for sale, as set forth in sections 3 and 4 of this act. The waiver shall indicate that the consumer, having negotiated the purchase price of the used motor vehicle and obtained a price adjustment, is electing to waive the dealer's obligation to provide a warranty on the used motor vehicle and is buying the used motor vehicle "as is."
N.J.S. § 56:8-73