44 Ill. Adm. Code 5000.330
Open Space
Section 5000
Section 5000.330 Open Space
Newly acquired or remodeled
space shall, to the extent practical, utilize open space planning and modular
partitions. Private offices should be provided only when there is a
demonstrated functional need. They should be only large enough for the occupant
to conduct normal business in an efficient manner and with a reasonable degree
of privacy.