 Since 1994, Japanese law require buildings exceeding floor area of to install and maintain tactile pavings near stairs, ramps, escalators and major pathways.Schools, hospitals, theatres, arenas, community centres, exhibition halls, department stores, hotels, office, multidwelling units, or senior homes with floor space less than , must spend reasonable effort to install and maintain tactile pavings inside the building, but it is not required.The original law was replaced by another one in 2006, with wider scope including outdoor areas.