(1) The enhanced services facility must maintain electric light fixtures and lighting necessary for the comfort and safety of residents and for the activities of residents and staff.

(2) The enhanced services facility must provide enough lighting in each resident's room to meet the resident's needs, preferences and choices.

(3) New enhanced services facility construction must, at a minimum, meet the illuminating engineering society of North America (IESNA) recommendations for lighting in common areas as established in the IESNA lighting handbook. The applicable handbook is the edition in effect on the date a construction review fee is paid to the department of health, construction review services, for new enhanced services facility construction.

(4) Existing enhanced services facility construction must maintain, at a minimum, the Illuminating Engineering Society of North America (IESNA) recommendations for lighting in common areas as established in the IESNA lighting handbook. The applicable handbook is the edition in effect on the date a construction review fee was paid to the department of health, construction review services, for the enhanced services facility or that portion of the enhanced services facility that underwent construction review.