(805 ILCS 305/2)
(from Ch. 106 1/2, par. 102)
As used in this Act, the term "professional service" means any type
of personal service to the public which requires as a condition precedent
to the rendering of such service the obtaining of a license, and which
service by law cannot be performed by a corporation. The term "license"
includes a license, certificate of registration or any other evidence of
the satisfaction of State requirements.
(Source: Laws 1961, p. 3061.)