(b) CONTENTS OF DECLARATION.-In the declaration required under subsection (a) the individual shall state

(1) the amount which he estimates as the amount of tax under this chapter for the taxable year, without regard to any credits under sections 32 and 35 for taxes withheld at source;

(2) the amount which he estimates as the credits for the taxable year under sections 32 and 35; and

(3) the excess of the amount estimated under paragraph (1) over the amount estimated under paragraph (2), which excess for the purposes of this chapter shall be considered the estimated tax for the taxable year.

The declaration shall also contain such other information for the purposes of carrying out the provisions of this chapter as the Commissioner, with the approval of the Secretary, may by regulations prescribe, and shall contain or be verified by a written statement that it is made under the penalties of perjury.

(c) JOINT DECLARATION BY HUSBAND AND WIFE.-In the case of a husband and wife, a single declaration under this section may be made by them jointly, in which case the liability with respect to the estimated tax shall be joint and several. No joint declaration may be made if either the husband or wife is a nonresident alien. If a joint declaration is made but a joint return is not made for the taxable year, the estimated tax for such year may be treated as the estimated tax of either the husband or the wife, or may be divided between them. (d) TIME AND PLACE FOR FILING.—

(1) IN GENERAL.-The declaration required under subsection (a) shall be filed on or before March 15 of the taxable year, except that if the requirements of section 58 (a) are first met

(A) after March 1 and before June 2 of the taxable year, the declaration shall be filed on or before June 15 of the taxable year, or

(B) after June 1 and before September 2 of the taxable year, the declaration shall be filed on or before September 15 of the taxable year, or

(C) after September 1 of the taxable year, the declaration shall be filed on or before January 15 of the succeeding taxable year.

(2) AMENDMENT OF DECLARATION.-An individual may make amendments of a declaration filed during the taxable year under this subsection, under regulations prescribed by the Commissioner with the approval of the Secretary. If so made, such amendments may be filed on or before the fifteenth day of the last month of any quarter of the taxable year subsequent to that in which the declaration was filed and in which no previous amendment has been filed, except that in the case of an amendment filed after September 15 of the taxable year, it may be filed on or before January 15 of the succeeding taxable year. Declarations and amendments thereof shall be filed with the collector specified in section 53 (b) (1).

(3) RETURN AS DECLARATION OR AMENDMENT.-If on or before January 15 of the succeeding taxable year the taxpayer files a return, for the taxable year for which the declaration is required,

and pays in full the amount computed on the return as payable, then, under regulations prescribed by the Commissioner with the approval of the Secretary

(A) if the declaration is not required to be filed during the taxable year, but is required to be filed on or before such January 15, such return shall, for the purposes of this chapter, be considered as such declaration; and

(B) if the tax shown on the return (reduced by the credits under sections 32 and 35) is greater than the estimated tax shown in a declaration previously made, or in the last amendment thereof, such return shall, for the purposes of this chapter, be considered as the amendment of the declaration permitted by paragraph (2) to be filed on or before such January 15.

[See also section 60 (a).]

(e) EXTENSION OF TIME.-The Commissioner may grant a reasonable extension of the time for filing declarations and paying the estimated tax, under such rules and regulations as he shall prescribe with the approval of the Secretary. Except in the case of taxpayers who are abroad, no such extension shall be for more than six months.

(f) PERSONS UNDER DISABILITY.-If the taxpayer is unable to make his own declaration, the declaration shall be made by a duly authorized agent or by the guardian or other person charged with the care of the person or property of such taxpayer.

(g) SIGNATURE PRESUMED CORRECT.-The fact that an individual's name is signed to a filed declaration shall be prima facie evidence for all purposes that the declaration was actually signed by him.

(h) PUBLICITY OF DECLARATION. For the purposes of section 55 (relating to publicity of returns), a declaration of estimated tax shall be held and considered a return under this chapter.

[See also section 60 (b, c).]

SEC. 59. PAYMENT OF ESTIMATED TAX.

(a) IN GENERAL.-The estimated tax shall be paid as follows:

(1) If the declaration is filed on or before March 15 of the taxable year, the estimated tax shall be paid in four equal installments. The first installment shall be paid at the time of the filing of the declaration, the second and third on June 15 and September 15, respectively, of the taxable year, and the fourth on January 15 of the succeeding taxable year.

(2) If the declaration is filed after March 15 and not after June 15 of the taxable year, and is not required by section 58 (d) to be filed on or before March 15 of the taxable year, the estimated tax shall be paid in three equal installments. The first installment shall be paid at the time of the filing of the declaration, the second on September 15 of the taxable year, and the third on January 15 of the succeeding taxable year.

(3) If the declaration is filed after June 15 and not after September 15 of the taxable year, and is not required by section 58 (d) to be filed on or before June 15 of the taxable year, the estimated tax shall be paid in two equal installments. The first installment

shall be paid at the time of the filing of the declaration, and the second on January 15 of the succeeding taxable year.

(4) If the declaration is filed after September 15 of the taxable year, and is not required by section 58 (d) to be filed on or before September 15 of the taxable year, the estimated tax shall be paid in full at the time of the filing of the declaration.

(5) If the declaration is filed after the time prescribed in section 58 (d) (including cases in which an extension of time for filing the declaration has been granted under section 58 (e)), paragraphs (2), (3), and (4) of this subsection shall not apply, and there shall be paid at the time of such filing all installments of estimated tax which would have been payable on or before such time if the declaration had been filed within the time prescribed in section 58 (d), and the remaining installments shall be paid at the times at which, and in the amounts in which, they would have been payable if the declaration had been so filed. (b) AMENDMENTS OF DECLARATION.-If any amendment of a declaration is filed, the remaining installments, if any, shall be ratably increased or decreased, as the case may be, to reflect the increase or decrease, as the case may be, in the estimated tax by reason of such amendment, and if any amendment is made after September 15 of the taxable year, any increase in the estimated tax by reason thereof shall be paid at the time of making such amendment.

(c) INSTALLMENTS PAID IN ADVANCE.-At the election of the individual, any installment of the estimated tax may be paid prior to the date prescribed for its payment.

(d) PAYMENT AS PART OF TAX FOR TAXABLE YEAR.-Payment of the estimated tax, or any installment thereof, shall be considered payment on account of the tax for the taxable year. Assessment in respect of the estimated tax shall be limited to the amount paid.

[See also section 60 (b, c).]

SEC. 60. SPECIAL RULES FOR APPLICATION OF SECTIONS 58 AND 59.

(a) FARMERS. In the case of an individual whose estimated gross income from farming for the taxable year is at least two-thirds of the total estimated gross income from all sources for the taxable year, in lieu of the time prescribed in section 58 (d), the declaration for the taxable year may be made at any time on or before January 15 of the succeeding taxable year.

(b) APPLICATION TO SHORT TAXABLE YEARS. The application of sections 58, 59, and 294 (d), and of subsection (a) of this section, to taxable years of less than twelve months shall be as prescribed in regulations prescribed by the Commissioner with the approval of the Secretary.

(c) FISCAL YEARS.-In the application of sections 58 and 59, and subsection (a) of this section, to the case of a taxable year beginning on any date other than January 1, there shall be substituted, for the months specified therein, the months which correspond thereto.

Part VI-Miscellaneous Provisions

SEC. 61. LAWS MADE APPLICABLE.

All administrative, special, or stamp provisions of law, including the law relating to the assessment of taxes, so far as applicable, shall be extended to and made a part of this chapter.

SEC. 62. RULES AND REGULATIONS.

The Commissioner, with the approval of the Secretary, shall prescribe and publish all needful rules and regulations for the enforcement of this chapter.

SEC. 63. PUBLICATION OF STATISTICS.

*

The Commissioner, with the approval of the Secretary, shall prepare and publish annually statistics reasonably available with respect to the operation of the income * tax laws, including classifications of taxpayers and of income, the amounts allowed as deductions, exemptions, and credits, and any other facts deemed pertinent and valuable.

SEC. 64. DEFINITIONS.

For definitions of a general character, see section 3797.

SUBCHAPTER C-SUPPLEMENTAL PROVISIONS

Supplement A-Rates of Tax

(Supplementary to Subchapter B, Part I)

SEC. 103. RATES OF TAX ON CITIZENS ** * OF CERTAIN FOREIGN COUNTRIES.

* *

*

Whenever the President finds that, under the laws of any foreign country, citizens or corporations of the United States are being subjected to discriminatory or extraterritorial taxes, the President shall so proclaim and the rates of tax imposed by sections 11, 12, 211 (a), * * * and 400 shall, for the taxable year during which such proclamation is made and for each taxable year thereafter, be doubled in the case of each citizen * * * of such foreign country; but the tax at such doubled rate shall be considered as imposed by sections 11, 12, * * * 211 (a), * * * and 400, as the case may be. In no case shall this section operate to increase the taxes imposed by such sections (computed without regard to this section) to an amount in excess of 80 per centum of the net income of the taxpayer. Whenever the President finds that the laws of any foreign country with respect to which the President has made a proclamation under the preceding provisions of this section have been modified so that discriminatory and extraterritorial taxes applicable to citizens and corporations of the United States have been removed, he shall so proclaim, and the provisions of this section providing for doubled rates of tax shall not apply to any citizen of such foreign country with respect to any taxable year beginning after such proclamation is made.

* * *

SEC. 105. SALE OF OIL OR GAS PROPERTIES.

In the case of a bona fide sale of any oil or gas property, or any interest therein, where the principal value of the property has been

demonstrated by prospecting or exploration or discovery work done by the taxpayer, the portion of the tax imposed by section 12 attributable to such sale shall not exceed 30 per centum of the selling price of such property or interest.

SEC. 106. CLAIMS AGAINST UNITED STATES INVOLVING ACQUISITION OF PROPERTY.

In the case of amounts (other than interest) received by a taxpayer from the United States with respect to a claim against the United States involving the acquisition of property and remaining unpaid for more than fifteen years, the portion of the tax imposed by section 12 attributable to such receipt shall not exceed 30 per centum of the amount (other than interest) so received.

SEC. 107. COMPENSATION FOR SERVICES RENDERED FOR A PERIOD OF THIRTY-SIX MONTHS OR MORE AND BACK PAY.

(a) PERSONAL SERVICES.-If at least 80 per centum of the total compensation for personal services covering a period of thirty-six calendar months or more (from the beginning to the completion of such services) is received or accrued in one taxable year by an individual or a partnership, the tax attributable to any part thereof which is included in the gross income of any individual shall not be greater than the aggregate of the taxes attributable to such part had it been included in the gross income of such individual ratably over that part of the period which precedes the date of such receipt or accrual.

(b) PATENT, COPYRIGHT, ETC.-For the purposes of this subsection, the term "artistic work or invention", in the case of an individual, means a literary, musical, or artistic composition of such individual or a patent or copyright covering an invention of or a literary, musical, or artistic composition of such individual, the work on which by such individual covered a period of thirty-six calendar months or more from the beginning to the completion of such composition or invention. If, in the taxable year, the gross income of any individual from a particular artistic work or invention by him is not less than 80 per centum of the gross income in respect of such artistic work or invention in the taxable year plus the gross income therefrom in previous taxable years and the twelve months immediately succeeding the close of the taxable year, the tax attributable to the part of such gross income of the taxable year which is not taxable as a gain from the sale or exchange of a capital asset held for more than 6 months shall not be greater than the aggregate of the taxes attributable to such part had it been received ratably over that part of the period preceding the close of the taxable year but not more than thirty-six calendar months.

(c) FRACTIONAL PARTS OF A MONTH.-For the purposes of this section a fractional part of a month shall be disregarded unless it amounts to more than half a month, in which case it shall be considered as a month.

(d) BACK PAY.

(1) IN GENERAL.-If the amount of the back pay received or accrued by an individual during the taxable year exceeds 15 per centum of the gross income of the individual for such year, the part of the tax attributable to the inclusion of such back pay in