86 Ill. Adm. Code 210.120
Waiver of Penalty and Interest
Section 210
Section 210.120 Waiver of
Penalty and Interest
a) A petition for abatement of a penalty or interest may be filed
only in cases where the Department has no other established procedure of
determination of the issue.
b) The Board may waive penalty or interest only in the following
situations:
1) A late filing due to Reasonable Cause; or
2) Unreasonable delays caused by the Department in any process
under the control of the Department; or
3) A timely payment has be made to the Department by a person
other than the person who is actually liable for the tax; or
4) The Board has taken special jurisdiction over a case pursuant
to Section 210.130; or
5) Where otherwise provided for by statute.
c) If the taxpayer exercised ordinary business care and prudence
and was nevertheless unable to file the return within the prescribed time, the
delay is due to a reasonable cause.
d) The Board may consider taxpayer's compliance history including
previous tax violations with the Department in considering taxpayer's petition
for relief based on reasonable cause.