On and after July 1, 2000, upon request of a visually impaired or blind customer, any provider of sewer, water, electric, gas or telephone service, or any provider of two or more of such services, whether public or private, shall provide the customer’s bills, indicating usage and the amount owed, in one of the following formats, as agreed to by the customer and the service provider: Braille, print of not less than 24-point type or audio. The provision of such bills in an alternative format shall be at no additional charge to the customer making the request.