division (a) of section 234, that part of the property acquired with relation to which such loss is disallowed shall for the purposes of this section be treated as taking the place of the property sold or disposed of.

(e) Where property is exchanged for other property which has no readily realizable market value, together with money or other property which has a readily realizable market value, then the money or the fair market value of the property having such readily realizable market value received in exchange shall be applied against and reduce the basis, provided in this section, of the property exchanged, and if in excess of such basis, shall be taxable to the extent of the excess; but when property is exchanged for property specified in paragraphs (1), (2), and (3) of subdivision (c) as received in exchange, together with money or other property of a readily realizable market value other than that specified in such paragraphs, the money or the fair market value of such other property received in exchange shall be applied against and reduce the basis, provided in this section, of the property exchanged, and if in excess of such basis, shall be taxable to the extent of the excess.

(f) Nothing in this section shall be construed to prevent (in the case of property sold under contract providing for payment in installments) the taxation of that portion of any installment payment representing gain or profit in the year in which such payment is received.

the excess of the deductions allowed by section 214 or 234, as the case may be, over the sum of the following: (1) the gross income of the taxpayer for the taxable year, (2) the amount by which the interest received free from taxation under this title exceeds so much of the interest paid or accrued within the taxable year on indebtedness as is not permitted to be deducted by paragraph (2) of subdivision (a) of section 214 or by paragraph (2) of subdivision (a) of section 234, (3) the amount by which the deductible losses not sustained in such trade or business exceed the taxable gains or profits not derived from such trade or business, (4) amounts received as dividends and allowed as a deduction under paragraph (6) of subdivision (a) of section 234, and (5) so much of the depletion deduction allowed with respect to any mine, oil or gas well as is based upon discovery value in lieu of cost.

(b) If for any taxable year beginning after December 31, 1920, it appears upon the production of evidence satisfactory to the Commissioner that any taxpayer has sustained a net loss, the amount thereof shall be deducted from the net income of the taxpayer for the succeeding taxable year; and if such net loss is in excess of the net income for such succeeding taxable year, the amount of such excess shall be allowed as a deduction in computing the net income for the next succeeding taxable year; the deduction in all cases to be made under regulations prescribed by the Commissioner with the approval of the Secretary.

(c) The benefit of this section shall be allowed to the members of a partnership and the beneficiaries of an estate or trust, and to insurance companies subject to the tax imposed by section 243 or 246, under regulations prescribed by the Commissioner with the approval of the Secretary.

(d) If it appears, upon the production of evidence satisfactory to the Commissioner, that a taxpayer having a fiscal year beginning in 1920 and ending in 1921 has sustained a net loss during such fiscal year, such taxpayer shall be en

production of articles contributing to the prosecution of the present war; and wher. so resulting means the excess of the deductions allowed by law (excluding in the case of corporations amounts allowed as a deduction under paragraph (6) of subdivision (a) of section 234) over the sum of the gross income plus any interest received free from taxation both under this title and under Title III.

(b) If for any taxable year beginning after October 31, 1918, and ending prior to January 1, 1920, it appears upon the production of evidence satisfactory to the Commissioner that any taxpayer has sustained a net loss, the amount of such net loss shall under regulations prescribed by the Commissioner with the approval of the Secretary be deducted from the net income of the taxpayer for the preceding taxable year; and the taxes imposed by this title and by Title III for such preceding taxable year shall be redetermined accordingly. Any amount found to be due to the taxpayer upon the basis of such redetermination shall be credited or refunded to the taxpayer in accordance with the provisions of section 252. If such net loss is in excess of the net income for such preceding taxable year, the amount of such excess shall under regulations prescribed by the Commissioner with the approval of the Secretary be allowed as a deduction in computing the net income for the succeeding taxable year.

(c) The benefit of this section shall be allowed to the members of a partnership and the beneficiaries of an estate or trust under regulations prescribed by the Commissioner with the approval of the Secretary.

Act of 1921.

Act of 1918.

titled to the benefits of this section in respect to the same proportion of such net loss which the portion of such fiscal year falling within the calendar year 1921 is of the entire fiscal year.

FISCAL YEARS 1920-1921 AND 1921-1922.

SEC. 205. (a) That if a taxpayer makes return for a fiscal year beginning in 1920 and ending in 1921, his tax under this title for the taxable year 1921 shall be the sum of: (1) the same proportion of a tax for the entire period computed under Title II of the Revenue Act of 1918 at the rates for the calendar year 1920 which the portion of such period falling within the calendar year 1920 is of the entire period, and (2) the same proportion of a tax for the entire period computed under this title at the rates for the calendar year 1921, which the portion of such period falling within the calendar year 1921 is of the entire period.

Any amount paid before or after the passage of this Act on account of the tax imposed for such fiscal year by Title II of the Revenue Act of 1918 shall be credited toward the payment of the tax imposed for such fiscal year by this Act, and if the amount so paid exceeds the amount of such tax imposed by this Act, the excess shall be credited or refunded in accordance with the provisions of section 252.

(b) If a taxpayer makes return for a fiscal year beginning in 1921 and ending in 1922, his tax under this title for the taxable year 1922 shall be the sum of: (1) the same proportion of a tax for the entire period computed under this title (as in force on December 31, 1921) at the rates for the calendar year 1921 which the portion of such period falling within the calendar year 1921 is of the entire period, and (2) the same proportion of a tax for the entire period computed under this title (as in force on January 1, 1922) at the rates for the calendar year 1922 which the portion of such period falling within the calendar year 1922 is of the entire period: Provided, That in the case of a personal service corporation the amount to be paid shall be only that specified in clause (2).

FISCAL YEAR WITH DIFFERENT RATES.

SEC. 205. (a) That if a taxpayer makes return for a fiscal year beginning in 1917 and ending in 1918, his tax under this title for the first taxable year shall be the sum of: (1) the same proportion of a tax for the entire period computed under Title I of the Revenue Act of 1916 as amended by the Revenue Act of 1917 and under Title I of the Revenue Act of 1917, which the portion of such period falling within the calendar year 1917 is of the entire period, and (2) the same proportion of a tax for the entire period computed under this title at the rates for the calendar year 1918 which the portion of such period falling within the calendar year 1918 is of the entire period: Provided, That in the case of a personal service corporation the amount to be paid shall be only that specified in clause (1).

Any amount heretofore or hereafter paid on account of the tax imposed for such fiscal year by Title I of the Revenue Act of 1916 as amended by the Revenue Act of 1917, and by Title I of the Revenue Act of 1917, shall be credited towards the payment of the tax imposed for such fiscal year by this act, and if the amount so paid exceeds the amount of such tax imposed by this act, or, in the case of a personal service corporation, the amount specified in clause (1), the excess shall be credited or refunded in accordance with the provisions of section 252.

(b) If a taxpayer makes a return for a fiscal year beginning in 1918 and ending in 1919, the tax under this title for such fiscal year shall be the sum of: (1) the same proportion of a tax for the entire period computed under this title at the rates specified for the calendar year 1918 which the portion of such period falling within the calendar year 1918 is of the entire period, and (2) the same proportion of a tax for the entire period computed under this title at the rates specified for the calendar year 1919 which the portion of such period falling within the calendar year 1919 is of the entire period.

(c) If a fiscal year of a partnership begins in 1920 and ends in 1921, or begins in 1921 and ends in 1922, then (1) the rates for the calendar year during which such fiscal year begins shall apply to an amount of each partner's share of such partnership net income (determined under the law applicable to such year) equal to the proportion which the part of such fiscal year falling within such calendar year bears to the full fiscal year, and (2) the rates for the calendar year during which such fiscal year ends shall apply to an amount of each partner's share of such partnership net income (determined under the law applicable to such calendar year) equal to the proportion which the part of such fiscal year falling within such calendar year bears to the full fiscal year.

CAPITAL GAIN.

SEC. 206. (a) That for the purpose of this title:

(1) The term "capital gain" means taxable gain from the sale or exchange of capital assets consummated after December 31, 1921;

(2) The term "capital loss' means deductible loss resulting from the sale or exchange of capital assets consummated after December 31, 1921;

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(c) If a fiscal year of a partnership begins in 1917 and ends in 1918 or begins in 1918 and ends in 1919, then notwithstanding the provisions of subdivision (b) of section 218, (1) the rates for the calendar year during which such fiscal year begins shall apply to an amount of each partner's share of such partnership net income (determined under the law applicable to such year) equal to the proportion which the part of such fiscal year falling within such calendar year bears to the full fiscal year, and (2) the rates for the calendar year during which such fiscal year ends shall apply to an amount of each partner's share of such partnership net income (determined under the law applicable to such calendar year) equal to the proportion which the part of such fiscal year falling within such calendar year bears to the full fiscal year: Provided, That in the case of a personal service corporation with respect to a fiscal year beginning in 1917 and ending in 1918, the amount specified in clause (1) shall not be subject to normal tax.

PARTS OF INCOME SUBJECT TO RATES FOR DIFFERENT YEARS.

SEC. 206. That whenever parts of a taxpayer's income are subject to rates for different calendar years, the part subject to the rates for the most recent calendar year shall be placed in the lower brackets of the rate schedule provided in this title, the part subject to the rates for the next preceding calendar year shall be placed in the next higher brackets of the rate schedule applicable to that year, and so on until the entire net income has been accounted for. In determining the income, any deductions, exemptions or credits of a kind not plainly and properly chargeable against the income taxable at rates for a preceding year shall first be applied against the income subject to rates for the most recent calendar year; but any balance thereof shall be applied against the income subject to the rates of the next preceding year or years until fully allowed.