The owner or lessor of a supermarket, business establishment, or shopping area or center that has entrances surrounded by obstacles designed to prevent shopping carts from being removed from the premises, shall provide an unobstructed entrance during business hours for individuals with disabilities, as provided for in subsection (b) of this section. Such an entrance shall be at least 36 inches wide and constructed to allow reasonable access for entry and egress for individuals with disabilities. Failure to provide such an entrance, or failure to keep it unlocked and accessible during business hours to individuals with disabilities, is a violation of this article. Nothing contained in this section shall be construed as negating the provisions of the Maryland Accessibility Code adopted under § 12-202 of the Public Safety Article.