35 ILCS 5/1008
Except as herein provided, the provisions of Section 6700 of the Internal Revenue Code shall apply for purposes of this Act as if such Section applied to an Illinois deduction, credit, exclusion from income, allocation or apportionment rule, or other Illinois tax benefit. Notwithstanding Section 6700(a) of the Internal Revenue Code, if an activity with respect to which a penalty imposed under Section 6700(a) of the Internal Revenue Code, as applied for purposes of this Act, involves a statement described in Section 6700(a)(2)(A) of the Internal Revenue Code, as applied for purposes of this Act, the amount of the penalty imposed under this Section shall be the greater of $10,000 or 50% of the gross income received (or to be received) from any person to whom such statement is furnished that is required to file a return under Section 502 of this Act.
35 ILCS 5/1008