Notwithstanding section 16 of this Act, where—
(a) The manufacturer, or a servant or agent of the manufacturer, makes a representation in respect of goods (otherwise than a statement on any packaging or label); and
(b) The goods would have complied with the guarantee of acceptable quality if that representation had not been made,—
there shall be no right of redress against the supplier under this Act in respect of the failure of the goods to comply with the guarantee of acceptable quality.