Notice of the requirements of this chapter shall be posted in a conspicuous location at the premises of a carpet business within the city where carpet or carpet cushion are sold or offered for sale to consumers or, provided in written form to consumers at the time of sale within the city. If carpet or carpet cushion is sold outside the city for installation in the city, such notice shall be provided to the consumer prior to installation. The form and wording of such notice shall be specified by the department of health and mental hygiene.