9. a. Any person who willfully fails to comply with the requirements of sections 4 through 9 of this amendatory and supplementary act shall be liable to a consumer as provided in section 11 of P.L.1997, c.172 (C.56:11-38).
b. Any person who is negligent in failing to comply with the requirements of sections 4 through 9 of this amendatory and supplementary act shall be liable to a consumer as provided in section 12 of P.L.1997, c.172 (C.56:11-39).