86 Ill. Adm. Code 106.300
Balance Due General Information
Section 106
Section 106.300 Balance Due
General Information
a) The Internet Filer is responsible for submitting payment of
any balance due the Department, no later than April 15 of the filing year.
(See 35 ILCS 5/601.) Failure to make full payment by this date will result in
the imposition of interest and penalties. (See 35 ILCS 735/3-2 and 3-3.)
b) The Internet Filer may choose to pay the balance due by credit
card. The Internet Filer may call a designated telephone number provided on the
Internet site to make such payment after completion of the Internet filing process.
The Internet Filer is responsible for payment of any fee charged in order to
make payment in this manner. Pursuant to 35 ILCS 5/605, the Department of
Revenue will not pay any discount fee charged by the credit card issuer.