91.16. An itinerant merchant is exempt from the application of section 60.1 of the Act in any of the following cases:(a) he entered into a contract in accordance with section 91.19 or 91.20 of this Regulation;
(b) he entered into a contract, at the address of the consumer and upon the latter’s express request, the sole object of which is the urgent repair of a door, a window or the roofing of a building; or
(c) he entered into a broadcasting or telecommunications service contract and installs goods under that contract.