35 Ill. Adm. Code 168.270
Rules of Evidence
Section 168
Section 168.270 Rules of
Evidence
a)
Irrelevant, immaterial or unduly repetitious evidence shall
be excluded. The rules of evidence and privilege as applied in civil cases in
the circuit courts of Illinois shall be followed. However, evidence not
admissible under such rules of evidence may be admitted, except where precluded
by statute, if it is of a type commonly relied upon by reasonably prudent
persons in the conduct of their affairs
.
b)
Objections to evidentiary offers may be made and shall be
noted in the record
.
c)
When a Hearing is expedited and the interests of the
parties will not be prejudiced, any part of the evidence may be received in
written form
.