Each facility must conspicuously display at all entrances through which wastes are received, a sign measuring at least four feet by four feet with letters at least three inches in height stating the type of site, the hours and days of operation, an emergency 24-hour contact phone number(s) that reaches an individual with the authority to obligate the facility at all times that the facility is closed, the local emergency fire department phone number, and the permit number or facility number. The facility sign must be readable from the facility entrance. The posting of erroneous or misleading information constitutes a violation of this section.