14 Ill. Adm. Code 530.20
Definitions
Section 530.20 Definitions
The following definitions are
applicable to this Part.
"Business" means a firm
that
is engaged in interstate or intrastate commerce for the purpose of
manufacturing, processing, assembling, warehousing, or distributing products,
conducting research and development, providing tourism services, or providing
services in interstate commerce, office industries, or agricultural processing,
but excluding retail, retail food, health, or professional services
. [20 ILCS
605/605-456(c)]
"Department" means the
Department of Commerce and Economic Opportunity.