Amends the Illinois Income Tax Act. Makes changes in provisions concerning (i) an addition modification for interest paid, accrued, or incurred to a person who would be a member of the taxpayer's unitary business group but for the fact that the person is ordinarily required to apportion business income under different provisions of the Act and (ii) an addition modification for intangible expenses and costs otherwise allowed as a deduction in computing the taxpayer's base income that were paid, accrued, or incurred to a person who would be a member of the taxpayer's unitary business group but for the fact that the person is ordinarily required to apportion business income under different provisions of the Act. Effective immediately.

Statutes affected:
Introduced: 35 ILCS 5/203