Illinois Administrative Code
Title 86 - REVENUE
Part 100 - INCOME TAX
Subpart C - NET OPERATING LOSSES OF UNITARY BUSINESS GROUPS OCCURRING PRIOR TO DECEMBER 31, 1986
Section 100.2250 - Net Operating Losses Occurring Prior to December 31, 1986, of Unitary Business Groups: Treatment by Members of the Unitary Business Group: (IITA Section 202) - Deadline for Filing Claims Based on Net Operating Losses Carried Back From a Combined Apportionment Year

A claim for refund based upon the carryback of a share of a combined federal net operating loss may be filed at any time within the period stated by IITA Section 911(b). This section generally requires that such a claim be filed no later than 2 years and 20 days after the date the "federal change" was finalized by IRS payment to the taxpayer. If taxpayer does not have occasion to receive an IRS refund on the NOL because it was absorbed for federal income tax purposes by incomes of other members of the federal affiliated groups, or because the refund was a consolidated refund for federal purposes, then the period of limitation for filing the Illinois claim is as stated in Section 100.5030 of this Part.