73E.—Any lack of conformity with the hire-purchase agreement resulting from the incorrect installation of the goods shall be treated as a lack of conformity of the goods with the hire-purchase agreement if—

(a) the installation forms part of the agreement and was carried out by the owner or under the owner’s responsibility, or

(b) the installation, intended to be carried out by the hirer, was done by the hirer and the incorrect installation was due to shortcomings in the installation instructions provided to the hirer by the owner or, in the case of goods with digital elements, provided to the hirer by the owner or by the supplier of the digital content or digital service.]