The licensee shall ensure that –
1. Each sleeping room is an outside room with a satisfactory amount of natural light;
2. The window area for new applications equals not less than one-tenth of the floor area;
3. Every room, including storerooms, hallways, stairways, inclines, ramps, and entrances are adequately lighted;
4. Lighting fixtures are selected and located with a view to the comfort and safety of residents and personnel; and
5. All service rooms, working centers, and medicine cabinets, are adequately lighted.