86 Ill. Adm. Code 1000.100.5030
Taxpayer's Notification to the Department of Certain Federal Changes Arising in Federal Consolidated Return Years, and Arising in Certain Loss Carryback Years (IITA Section 506)
Section 100
TITLE 86: REVENUE
CHAPTER I: DEPARTMENT OF REVENUE
PART 100 INCOME TAX
SECTION 100.5030 TAXPAYER'S NOTIFICATION TO THE DEPARTMENT OF CERTAIN FEDERAL CHANGES ARISING IN FEDERAL CONSOLIDATED RETURN YEARS, AND ARISING IN CERTAIN LOSS CARRYBACK YEARS (IITA SECTION 506)
Section 100.5030 Taxpayer's Notification
to the Department of Certain Federal Changes Arising in Federal Consolidated
Return Years, and Arising in Certain Loss Carryback Years (IITA Section 506)
a) In general. A corporation that is a member of an affiliated
group filing a consolidated federal return for a particular taxable year must compute
its separate federal taxable income equivalent for Illinois income tax
purposes in accordance with IITA Section 203(e)(2)(E). Such a corporation must,
however, also calculate its "separate taxable income" for purposes of
the federal consolidated return and its supporting statements in accordance
with Treasury Reg. Section 1.1502-12. Such a calculation for federal purposes
involves certain positive and negative modifications to what the corporation's
federal taxable income would be were it not a member of an affiliated group
filing a consolidated federal income tax return. Therefore, although the computation
of "separate taxable income" under Treasury Reg. Section 1.1502-12 does
not exactly equate with the computation of "federal taxable income"
and IITA Section 203(e)(2)(E), it should nevertheless be possible to reconcile
the "separate taxable income" of the consolidated return (as reflected
on supporting statements to the consolidated return) with the "federal
taxable income" of the pro forma U.S. 1120 required for Illinois purposes
by reversing the positive and negative modifications of Treasury Reg. Section
1.1502-12 and by executing the mandated elections of IITA Section 203(e)(2)(E).
Consequently, if the federal consolidated return of an affiliated group is
later adjusted for federal purposes with the meaning of Section 403(b) of the Act,
and if the federal adjustment alters the computation of "separate taxable
income" of any member under Treasury Reg. Section 1.1502-12, then such an adjustment
shall require notification to the Illinois Department of Revenue pursuant to IITA
Section 506(b) to the extent such adjustment enters into the computation of such
taxpayer's base income under the Act.
b) Certain adjustments in loss carryback years. In certain
limited instances, it is possible that a member of an affiliated group will have
a pro forma federal change for Illinois purposes to its federal taxable income of
a prior year (as reported to Illinois under whatever paragraph of IITA Section
203(e) applied in the prior year). This would result from the pro forma federal
carryback of a net operating loss or capital loss for Illinois purposes which
was not identically carried back for federal purposes by reason of the fact
that it originated in a year (under IITA Section 203(e)(2)(E), carryback of net
operating losses on a separate return basis by members of affiliated groups is
allowed for Illinois purposes only from loss years ending before September 12,
1977 and ending from November 7, 1978 to December 30, 1980) for which the
corporation participated in the filing of a consolidated return and in which
consolidated return year the loss was partly or wholly absorbed for federal purposes
by income of other members of the affiliated group. In such instances, any
claim for refund of Illinois income tax must be filed not later than 3 years and
20 days after the last day of the taxable year in which the loss occurred which
generated the pro forma change, or two years and 20 days from the date the
amount of loss as reflected on the consolidated return and supporting
statements of the loss year is finally determined for federal purposes (within
the meaning of IITA Section 403(b)) whichever is later.