The following list contains the major headings in §§ 1.1502-91 through 1.1502-99:
(a) Determination and effect of an ownership change.
(1) In general.
(2) Special rule for post-change year that includes the change date.
(3) Cross-reference.
(b) Definitions and nomenclature.
(c) Loss group.
(1) Defined.
(2) Coordination with rule that ends separate tracking.
(3) Example.
(d) Loss subgroup.
(1) Net operating loss carryovers.
(2) Net unrealized built-in loss.
(3) Loss subgroup parent.
(4) Election to treat loss subgroup parent requirement as satisfied.
(5) Principal purpose of avoiding a limitation.
(6) Special rules.
(7) Examples.
(e) Pre-change consolidated attribute.
(1) Defined.
(2) Example.
(f) Pre-change subgroup attribute.
(1) Defined.
(2) Example.
(g) Net unrealized built-in gain and loss.
(1) In general.
(2) Members included.
(i) Consolidated group with a net operating loss.
(ii) Determination whether a consolidated group has a net unrealized built-in loss.
(iii) Loss subgroup with net operating loss carryovers.
(iv) Determination whether subgroup has a net unrealized built-in loss.
(v) Separate determination of section 382 limitation for recognized built-in losses and net operating losses.
(3) Coordination with rule that ends separate tracking.
(4) Acquisitions of built-in gain or loss assets.
(5) Indirect ownership.
(6) Common parent not common parent for five years.
(h) Recognized built-in gain or loss.
(1) In general. [Reserved]
(2) Disposition of stock or an intercompany obligation of a member.
(3) Intercompany transactions.
(4) Exchanged basis property.
(i) [Reserved]
(j) Predecessor and successor corporations.
(a) Scope.
(b) Determination of an ownership change.
(1) Parent change method.
(i) Loss group.
(ii) Loss subgroup.
(iii) Special rule if election regarding section 1504(a)(1) relationship is made.
(2) Examples.
(3) Special adjustments.
(i) Common parent succeeded by a new common parent.
(ii) Newly created loss subgroup parent.
(iii) Examples.
(4) End of separate tracking of certain losses.
(c) Supplemental rules for determining ownership change.
(1) Scope.
(2) Cause for applying supplemental rule.
(3) Operating rules.
(4) Supplemental ownership change rules.
(i) Additional testing dates for the common parent (or loss subgroup parent).
(ii) Treatment of subsidiary stock as stock of the common parent (or loss subgroup parent).
(iii) Different testing periods.
(iv) Disaffiliation of a subsidiary.
(v) Subsidiary stock acquired first.
(vi) Anti-duplication rule.
(5) Examples.
(d) Testing period following ownership change under this section.
(e) Information statements.
(1) Common parent of a loss group.
(2) Abbreviated statement with respect to loss subgroups.
(a) Determination of the consolidated section 382 limitation (or subgroup section 382 limitation).
(1) In general.
(2) Coordination with apportionment rule.
(b) Value of the loss group (or loss subgroup).
(1) Stock value immediately before ownership change.
(2) Adjustment to value.
(i) In general.
(ii) Anti-duplication.
(3) Examples.
(c) Recognized built-in gain of a loss group or loss subgroup.
(1) In general.
(2) Adjustments.
(d) Continuity of business.
(1) In general.
(2) Example.
(e) Limitations of losses under other rules.
(a) Scope.
(1) In general.
(2) Successor corporation as new loss member.
(3) Coordination in the case of a loss subgroup.
(4) End of separate tracking of certain losses.
(5) Cross-reference.
(b) Application of section 382 to a new loss member.
(1) In general.
(2) Adjustment to value.
(3) Pre-change separate attribute defined.
(4) Examples.
(c) Built-in gains and losses.
(d) Information statements.
(a) In general.
(1) Consolidated group.
(2) Election by common parent.
(3) Coordination with §§ 1.1502-91 through 1.1502-93.
(b) Separate application of section 382 when a member leaves a consolidated group.
(1) In general.
(2) Effect of a prior ownership change of the group.
(3) Application in the case of a loss subgroup.
(4) Examples.
(c) Apportionment of a consolidated section 382 limitation.
(1) In general.
(2) Amount which may be apportioned.
(i) Consolidated section 382 limitation.
(ii) Net unrealized built-in gain.
(3) Effect of apportionment on the consolidated group.
(i) Consolidated section 382 limitation.
(ii) Net unrealized built-in gain.
(4) Effect on corporations to which an apportionment is made.
(i) Consolidated section 382 limitation.
(ii) Net unrealized built-in gain.
(5) Deemed apportionment when loss group terminates.
(6) Appropriate adjustments when former member leaves during the year.
(7) Examples.
(d) Rules pertaining to ceasing to be a member of a loss subgroup.
(1) In general.
(2) Exceptions.
(3) Examples.
(e) Allocation of net unrealized built-in loss.
(1) In general.
(2) Amount of allocation.
(i) In general.
(ii) Transferred basis property and deferred gain or loss.
(iii) Assets for which gain or loss has been recognized.
(iv) Exchanged basis property.
(v) Two or more members depart during the same year.
(vi) Anti-abuse rule.
(3) Effect of the allocation on the consolidated group.
(4) Effect on corporations to which the allocation is made.
(5) Subgroup principles.
(6) Apportionment of consolidated section 382 limitation (or subgroup section 382 limitation).
(i) In general.
(ii) Special rule for former members that become members of the same consolidated group.
(7) Examples.
(8) Reporting requirement.
(f) Filing the election to apportion the section 382 limitation and net unrealized built-in gain.
(1) Form of the election to apportion.
Signing of the election.
(3) Filing of the election.
(4) Revocation of election.
(a) End of separate tracking of losses.
(1) Application.
(2) Effect of end of separate tracking.
(i) Net operating loss carryovers.
(ii) Net unrealized built-in losses.
(iii) Common parent not common parent for five years.
(3) Continuing effect of end of separate tracking.
(i) In general.
(ii) Example.
(4) Special rule for testing period.
(5) Limits on effects of end of separate tracking.
(b) Ownership change of subsidiary.
(1) Ownership change of a subsidiary because of options or plan or arrangement.
(2) Effect of the ownership change.
(i) In general.
(ii) Pre-change losses.
(3) Coordination with §§ 1.1502-91, 1.1502-92, and 1.1502-94.
(4) Example.
(c) Continuing effect of an ownership change.
(d) Losses reattributed under § 1.1502-20(g).
(1) In general.
(2) Deemed section 381(a) transaction.
(3) Rules relating to owner shifts.
(i) In general.
(ii) Examples.
(4) Rules relating to the section 382 limitation.
(i) Reattributed loss is a pre-change separate attribute of a new loss member.
(ii) Reattributed loss is a pre-change subgroup attribute.
(iii) Potential application of section 382(l)(1).
(iv) Duplication or omission of value.
(v) Special rule for continuity of business requirement.
(5) Election to reattribute section 382 limitation.
(i) Effect of election.
(ii) Examples.
(e) Time and manner of making election under § 1.1502-91(d)(4).
(1) In general.
(2) Election statement.
(a) Effective date.
(b) Special rules.
(1) Election to treat subgroup parent requirement as satisfied.
(2) Principal purpose of avoiding a limitation.
(3) Ceasing to be a member of a loss subgroup.
(i) Ownership change of a loss subgroup.
(ii) Expiration of 5-year period.
(4) Reattribution of net operating loss carryovers under § 1.1502-20(g).
(5) Election to apportion net unrealized built-in gain.
(c) Testing period may include a period beginning before June 25, 1999.
(1) In general.
(2) Transition rule for net unrealized built-in losses.