86 Ill. Adm. Code 1000.100.5265
Common Taxable Year
Section 100
TITLE 86: REVENUE
CHAPTER I: DEPARTMENT OF REVENUE
PART 100 INCOME TAX
SECTION 100.5265 COMMON TAXABLE YEAR
Section 100.5265 Common
Taxable Year
a) The common taxable year of a combined group shall be the
taxable year of the designated agent. However, if a combined group has been
using the taxable year of the member of the combined group that, as of the time
the combined group becomes eligible to file a combined return, would be
expected to have the greatest Illinois income tax liability on a recurring
basis if it were not a member of a unitary business group, it may continue to
do so for taxable years ending prior to January 1, 1999. The combined group
must thereafter use the taxable year of the designated agent.
b) For taxable years ending on or after December 31, 1987,
members of a combined group may have different taxable years. In the case of a
member having a taxable year different from the common taxable year determined
in subsection (a) above, the separate company taxable income of that member
used in computing the combined net income of the combined group shall be
determined using one of the following methods:
1) Method 1. The member may compute its pro-forma taxable income
from its books and records for the common taxable year.
2) Method 2. The member may use pro-rated shares of its taxable
income for its taxable years ending in and beginning in a common taxable year.
This method may be used only if the combined return for a common taxable year
may be timely filed (including automatic extensions) after the close of such
member's taxable year which begins in the common taxable year for which the
return is filed, and such combined return may not be filed until after the
close of such member's taxable year. To illustrate:
Example 1:
Corporation A is a calendar-year member of a combined group having a common
taxable year ending July 31. If Corporation A uses the method described in this
subsection (b)(2), its taxable income for the taxable year ending July 31, 1995
would be five-twelfths of its 1994 taxable income and seven-twelfths of its
1995 taxable income. Rather than using months to pro-rate its income,
Corporation A may use the number of days in its taxable year or (in the case of
a corporation using a 52/53 week taxable year) the number of weeks in the
taxable year. The combined return for the common taxable year ending July 31,
1995, may not be filed until after December 31, 1995, the close of Corporation
A's taxable year which begins during that common taxable year.
Example 2.
Corporation B uses a taxable year ending October 31, and is a member of a
combined group with a calendar common taxable year. Corporation B may not use
the method described in this subsection (b)(2), because, in applying this
method for calendar year 1995, Corporation B would have to include in its
common taxable year income two-twelfths of its income for its taxable year
ending October 31, 1996, and the group's 1995 return (including automatic
extensions) would be due on October 15, 1996, before the close of Corporation
B's taxable year.
3) Method 3. The separate company taxable income of such member
for any taxable year ending in the common taxable year shall be included in
combined net income of the combined group.
c) Consistency in use of method. Each taxpayer having a taxable
year different from the common taxable year of its combined group may
separately elect which of the methods listed in subsection (b) above it will
use for the first combined return in which such taxpayer is a member the
combined group. Once a member has used one of those methods for a combined
return, that method shall be used for all subsequent combined returns of such group
unless:
1) the change in method is disclosed in an attachment to the
first combined return for which a different method is used;
2) the attachment shows, for each year in which the member
changing its method has been a member of the combined group, including the year
in which the new method will be used:
A) the net income of the combined group computed with such member
using its former method;
B) the net income of the combined group computed with such member
using the new method; and
C) the totals of such combined net incomes as computed using each
method; and
3) any excess of the total amounts of combined net income
computed using the new method over the total amounts computed using the old
method must be added to (or any deficiency be subtracted from) the net income
of the combined group for the year in which the new method is first used.
d) If the common taxable year of a combined group is changed, and
the new common taxable year ends before the end of the former common taxable
year during which the change occurs, all separate company items of each member
of the combined group arising since the end of the last common taxable year
before the change must be taken into account on the combined return filed for
the first common taxable year after the change, and any separate company item
reported on a combined return for a prior common year shall be excluded from
the combined return filed for the first common taxable year after the change.
Example.
Combined group ABC uses a common taxable year ending on December 31, the
taxable year of all three corporations. Corporation D is the controlling
corporation of ABC, but is not an eligible member because it has no taxable
presence in Illinois. On January 1, 1998, Corporation D establishes a taxable
presence in Illinois, and becomes the designated agent under Section
100.5220(d)(1)(B). The group is thereafter required to use Corporation D's
taxable year, which ends on June 30. If Corporation A, B or C elects to use
either Method 1 or Method 2, combined group ABCD's combined return for the
common taxable year ending June 30, 1998 shall include the separate company
items of that corporation only for the period from January 1, 1998 through June
30, 1998 as determined under the elected method. If one of the corporations
elects to use Method 3, it must determine its separate company items for the
period from January 1, 1998 through June 30, 1998 using either Method 1 or
Method 2 and include such items in the combined return for combined group ABCD
for the common taxable year ending June 30, 1998. The remainder of the
corporation's income for its taxable year ending December 31, 1998 will then be
included in the combined return for the common year ending June 30, 1999.
e) If the common taxable year of a combined group is changed, and
the new common taxable year ends after the end of the former common taxable
year during which the change occurs, the combined group must file a combined
return for the period ending with the date the common taxable year is changed
and a combined return for the period from the date of change to the end of the
new common taxable year.
Example.
Combined group AB uses a common taxable year ending on June 30, the taxable
year of Corporation A, the corporation which has the greatest Illinois income,
rather than the October 31 taxable year of Corporation B, its designated
agent. Under subsection (a), the combined group is required to change to an
October 31 common taxable year as of January 1, 1999. The group must file a
combined return for the short taxable year from June 30, 1998 through December
31, 1998 and a combined return for the common taxable year ending through
October 31, 1999 which includes only the separate company items of the members
arising after January 1, 1999. Each corporation may separately elect to use
either Method 1 or Method 2 to determine its separate company items for each
short taxable year.
f) Members entering and leaving a combined group. Regardless of
which method under subsection (b) is used by a member with a taxable year other
than the common taxable year:
1) in the case of a corporation becoming a member of a combined
group after the beginning of the corporation's taxable year:
A) if the corporation was not a member of another combined group
immediately prior to the time it joins the combined group, the corporation
shall file a separate return for the short taxable year ending on the day prior
to the date it joins the combined group. The net income reported on that
separate return shall be determined using the method elected by the corporation
under subsection (b) for determining the portion of its separate taxable income
to be included in the combined group's combined net income for the common
taxable year in which the corporation becomes a member of the combined group.
The separate return shall be due on the due date (including extensions) of the
combined return of the combined group for the common taxable year in which the
corporation becomes a member.
Example 1.
Corporation A uses a calendar taxable year. On April 1, 1999, a member of
unitary business group BCD acquires 51% of the stock of Corporation A, and
Corporation A immediately becomes a member of the unitary business group.
Group BCD has a common taxable year ending June 30, which remains the common
taxable year of group ABCD. If Corporation A elects to use Method 1, it must
report pro-forma taxable income for the period from January 1 through March 31,
1999 on a separate return; include pro-forma taxable income for the period from
April 1 through June 30, 1999 in the combined return of group ABCD for the
common taxable year ending June 30, 1999; and include pro-forma taxable income
for the period from July 1 through December 31, 1999 and for the period from
January 1 through June 30, 2000 in the combined return of group ABCD for the
common taxable year ending June 30, 2000. The separate return for the period
ending March 31, 1999 will be due on the due date of group ABCD's combined
return for June 30, 1999. If Corporation A elects to use Method 2, it must
report its income for 1999 in the same manner, except that it will pro-rate its
1999 income among the four different periods in proportion to the length of
each period. If Corporation A elects to use Method 3, Corporation A must use
either Method 1 or Method 2 to determine its taxable income for its separate
return for the period ending March 31, 1999, and will include the remainder of
its 1999 income in the combined return for group ABCD for the common taxable
year ending June 30, 2000.
B) if the corporation was a member of another combined group
immediately prior to the time it joins the new combined group, the corporation
shall include in the combined net income of the new combined group for the
common taxable year in which it becomes a member all of its separate company
taxable income for its taxable year which was not included in the combined net
income of the old combined group for the common taxable year of the old
combined group during which the corporation joins the new combined group. The
corporation must use either Method 1 or Method 2 to determine the separate
company items to include in each combined return which includes the date it
leaves the old combined group and joins the new combined group. Thereafter, if
its taxable year is not the common taxable year of the new combined group, it
may elect any of the three methods.
Example 2.
Assume the same facts in Example 1 above except that Corporation A is a member
of combined group AXYZ prior to the date its stock was acquired by a member of
combined group BCD. Corporation A must use either Method 1 or Method 2 to
determine the portion of its 1999 separate company taxable income for the
period from January 1 through March 31, 1999, which will be included in the
combined net income of group AXYZ. If Corporation A was using either Method 1
or Method 2 while a member of group AXYZ, it must use the same method for this
purpose. Corporation A may then elect any of the three methods for use in
computing the combined net income of group ABCD; provided, however, that
Corporation A's separate company taxable income for the period from April 1
through December 31, 1999 shall be equal to its separate company taxable income
for 1999 minus the amount of its separate company taxable income for January 1
through March 31, 1999 included in the combined net income of group AXYZ.
2) in the case of a corporation which ceases to be a member of a
combined group, no separate company taxable income of such member which has
been included in the combined net income of the combined group on any combined
return shall be included in net income on any separate company return or any
combined return of another combined group.