141.—A person shall not in the course of a business do any of the following:

(a) display on any part of any premises a notice,

(b) publish or cause to be published an advertisement,

(c) supply goods bearing or goods in a container bearing a statement, or

(d) furnish or cause to be furnished a document,

which purports to exclude or restrict any liability imposed on any person or any right conferred on a consumer by this Act.