The 2017 federal tax reform bill, known as the Tax Cuts and Jobs Act (Act), made a number of significant changes to the law, particularly to the international tax provisions of the Internal Revenue Code (IRC). Last month, Illinois joined the growing number of states responding to the Act by proposing legislation purporting to add-back the new federal deduction for foreign-derived intangible income (FDII). The FDII deduction, enacted in sub-part (a)(1)(A) of new IRC section 250, allows US corporate taxpayers a deduction in the amount of 37.5 percent of income earned from the sale of property to a person outside of the US for use outside of the US or the provision of services to a person outside of the US or with respect to property not located in the US. (For tax years beginning 2026, the deduction is reduced to 21.875 percent.)

Senate Bill (SB) 3152 (linked here) proposes an amendment to Section 203(b)(2) of the Illinois Income Tax Act (IITA) that would add back to taxable income the amount of a corporate taxpayer’s FDII deduction allowed under the IRC. Absent this amendment, the FDII deduction likely automatically would be included in Illinois’ corporate tax base: Illinois is a “rolling” conformity state (IITA section 1501(a)(11)), and the FDII deduction is a “special deduction” under the IRC which is incorporated in Illinois’ starting point for taxable income (IITA section 203(b)(1), (e) (For corporations IITA imposed on “taxable income” as defined under the IRC); IRC section 63 (“taxable income” includes “special deductions”)).

SB 3152 has been assigned to the Senate Revenue committee for review. It remains to be seen how, if at all, Illinois will respond to other changes enacted by the federal Act, particularly with respect to the other new international tax provisions, including those related to the deferred foreign earnings transition tax and global intangible low-taxed income, which include both additions and deductions at the federal level.

Yesterday afternoon, after months of wrangling and a marathon 4th of July weekend session, the Illinois House of Representatives voted to override Governor Bruce Rauner’s veto of Senate Bill (SB) 9, the revenue bill supporting the State’s Fiscal Year (FY) 2017-2018 Budget. The vote ended Illinois’ two year budget impasse and may avoid a threatened downgrade of Illinois bonds to junk status. The key tax components of the bill as enacted Public Act 100-0022 (Act) are as follows:

Income Tax

Rate increase. Income tax rates are increased, effective July 1, 2017, to 4.95 percent for individuals, trusts and estates, and 7 percent for corporations.

Income allocation. The Act contains a number of provisions intended to resolve questions regarding how income should be allocated between the two rates in effect for 2017.

  • Illinois Income Tax Act (IITA) 5/202.5(a) provides a default rule, a proration based on the days in each period (181/184), for purposes of allocating income between pre-July 1 segments and periods after the end of June when rates increase. Alternatively, IITA 5/202.5(b) provides that a taxpayer may elect to determine net income on a specific accounting basis for the two portions of their taxable year, from the beginning of the taxable year through the last day of the apportionment period, and from the first day of the next apportionment period through the end of the taxable year.

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