All convenience food stores shall comply with the following provisions:
(1) If open for business after twelve o'clock a.m., the convenience food store must employ two persons who are continuously on duty on the premises from twelve o'clock a.m. until closing or five o'clock a.m., whichever occurs first, or employ one person during these hours and install the security camera system provided for in subdivision (3) of this section, or install a security booth for one person to occupy during these hours or lock their doors and allow customers to be served through a pass-through device.