‘‘(A) the adjusted basis of the asset, in-
creased by
‘‘(B) the applicable inflation adjustment.
‘‘(2) APPLICABLE INFLATION ADJUSTMENT.—
The applicable inflation adjustment for any asset is
an amount equal to—
‘‘(A) the adjusted basis of the asset, multi-
plied by
‘‘(B) the percentage (if any) by which—
‘‘(i) 
the 
gross 
domestic 
product
deflator for the last calendar quarter end-
ing before the asset is disposed of, exceeds
‘‘(ii) the gross domestic product
deflator for the last calendar quarter end-
ing before the asset was acquired by the
taxpayer.
The percentage under subparagraph (B) shall be
rounded to the nearest 1⁄10 of 1 percentage point.
‘‘(3) GROSS DOMESTIC PRODUCT DEFLATOR.—
The gross domestic product deflator for any cal-
endar quarter is the implicit price deflator for the
gross domestic product for such quarter (as shown
in the last revision thereof released by the Secretary
of Commerce before the close of the following cal-
endar quarter).
‘‘(d) SUSPENSION OF HOLDING PERIOD WHERE DI-
MINISHED
RISK
OF
LOSS; TREATMENT
OF
SHORT
SALES.—
‘‘(1) IN GENERAL.—If the taxpayer (or a relat-
ed person) enters into any transaction which sub-
stantially reduces the risk of loss from holding any
asset, such asset shall not be treated as an indexed
asset for the period of such reduced risk.
‘‘(2) SHORT SALES.—
‘‘(A) IN GENERAL.—In the case of a short
sale of an indexed asset with a short sale period
in excess of 3 years, for purposes of this title,
the amount realized shall be an amount equal
to the amount realized (determined without re-
gard to this paragraph) increased by the appli-
cable inflation adjustment. In applying sub-
section (c)(2) for purposes of the preceding sen-
tence, the date on which the property is sold
short shall be treated as the date of acquisition
and the closing date for the sale shall be treat-
ed as the date of disposition.
‘‘(B) SHORT SALE PERIOD.—For purposes
of subparagraph (A), the short sale period be-
gins on the day that the property is sold and
ends on the closing date for the sale.
‘‘(e) TREATMENT
OF
REGULATED
INVESTMENT
COMPANIES AND REAL ESTATE INVESTMENT TRUSTS.—
‘‘(1) ADJUSTMENTS AT ENTITY LEVEL.—
‘‘(A) IN GENERAL.—Except as provided in
subparagraph (B), the adjustment under sub-
section (a) shall be allowed to any qualified in-
vestment entity (including for purposes of de-
termining the earnings and profits of such en-
tity).
‘‘(B) 
EXCEPTION
FOR
QUALIFICATION
PURPOSES.—This section shall not apply for
purposes of sections 851(b) and 856(c).
‘‘(2) ADJUSTMENTS
TO
INTERESTS
HELD
IN
ENTITY.—
‘‘(A) REGULATED
INVESTMENT
COMPA-
NIES.—Stock in a regulated investment com-
pany (within the meaning of section 851) shall
be an indexed asset for any calendar quarter in
the same ratio as—
‘‘(i) the average of the fair market
values of the indexed assets held by such
company at the close of each month during
such quarter, bears to
‘‘(ii) the average of the fair market
values of all assets held by such company
at the close of each such month.
‘‘(B) 
REAL
ESTATE
INVESTMENT
TRUSTS.—Stock in a real estate investment
trust (within the meaning of section 856) shall
be an indexed asset for any calendar quarter in
the same ratio as—
‘‘(i) the fair market value of the in-
dexed assets held by such trust at the close
of such quarter, bears to
‘‘(ii) the fair market value of all as-
sets held by such trust at the close of such
quarter.
‘‘(C) RATIO OF 80 PERCENT OR MORE.—If
the ratio for any calendar quarter determined
under subparagraph (A) or (B) would (but for
this subparagraph) be 80 percent or more, such
ratio for such quarter shall be 100 percent.
‘‘(D) RATIO OF 20 PERCENT OR LESS.—If
the ratio for any calendar quarter determined
under subparagraph (A) or (B) would (but for
this subparagraph) be 20 percent or less, such
ratio for such quarter shall be zero.
‘‘(E) LOOK-THRU OF PARTNERSHIPS.—For
purposes of this paragraph, a qualified invest-
ment entity which holds a partnership interest
shall be treated (in lieu of holding a partnership
interest) as holding its proportionate share of
the assets held by the partnership.
‘‘(3) TREATMENT OF RETURN OF CAPITAL DIS-
TRIBUTIONS.—Except as otherwise provided by the
Secretary, a distribution with respect to stock in a
qualified investment entity which is not a dividend
and which results in a reduction in the adjusted
basis of such stock shall be treated as allocable to
stock acquired by the taxpayer in the order in which
such stock was acquired.
‘‘(4) QUALIFIED
INVESTMENT
ENTITY.—For
purposes of this subsection, the term ‘qualified in-
vestment entity’ means—
‘‘(A) a regulated investment company
(within the meaning of section 851), and
‘‘(B) a real estate investment trust (within
the meaning of section 856).
‘‘(f) OTHER PASS-THRU ENTITIES.—
‘‘(1) PARTNERSHIPS.—
‘‘(A) IN GENERAL.—In the case of a part-
nership, the adjustment made under subsection