15 U.S.C. § 2308 — Implied warranties

(a) Restrictions on disclaimers or modifications No supplier^* may disclaim or modify (except as provided in subsection
(b)) any implied warranty^* to a consumer^* about such consumer product^* if
(1) such supplier makes any written warranty^* to the consumer about such consumer Product, or
(2) at the time of sale, or within 90 days thereafter, such supplier enters into a service contract^* with the consumer which applies to such consumer product.
(b) Limitation on duration for this chapter (other than section 2304(a)(2) of this title), implied warranties may be limited in duration to the duration of a written warranty of reasonable duration, if such limitation is conscionable and is set forth in clear and unmistakable language and prominently displayed on the face of the warranty.
(c) Effectiveness of disclaimers, modifications, or limitations A disclaimer, modification, or limitation made in violation of this section must be ineffective for this chapter and State law^*.