77 Ill. Adm. Code 870.140
Plumbing
Section
870.140Â Plumbing
As specified by the Illinois Plumbing License Law, all
plumbing installed in Illinois shall be done by an Illinois licensed plumber or
the
owner
occupant or lessee occupant of a single family residence, or the owner of a
single family residence under construction for his or her occupancy
and shall comply with the related administrative rules including the Illinois
Plumbing Code, Plumbers Licensing Code, and Plumbing Contractor Registration
Code. A person who installs plumbing and is not a licensed Illinois plumber or
is not the
owner occupant or
lessee occupant of a single family residence, or the owner of a single family
residence under construction for his or her occupancy
can be fined
up to $5,000 in accordance with the provisions of Illinois Plumbing License Law
and the related administrative rules including the Plumbers Licensing Code and
Plumbing Contractor Registration Code.