77 Ill. Adm. Code 894.10
Definitions
Section 894
Section 894.10Â Definitions
"Act" means the Illinois Plumbing License Law [225 ILCS 320].
"Business
maintenance staff" means one or more licensed plumbers or apprentice
plumbers who perform plumbing, as defined in the Act, solely in commercial
business facilities owned by the business that employs the plumber or plumbers.
"Department" means the Illinois Department of Public Health.
"Plumbing
contractor" means any person who performs plumbing, as defined in the Act,
for another person
for hire.
"Plumbing contractor" shall not
include licensed plumbers and licensed apprentice plumbers who either are
employed by persons engaged in the plumbing business or are employed by another
person for the performance of plumbing solely for that other person, including,
but not limited to, a hospital, university, or business maintenance staff.
(Section 2 of the Act)