U. S. Income Tax Statute. Paragraph C

That there shall be deducted from the amount of the net income of each of said persons, ascertained as provided herein, the sum of §3,000, plus $1,000 if the person making the return be a married man with a wife living with him, or plus the sum of $1,000 additional if the person making the return be a married woman with a husband living with her; but in no event shall this additional exemption of $1,000 be deducted by both a husband and a wife:

Provided, That only one deduction of $4,000 shall be made from the aggregate income of both husband and wife when living together.

U. S. Income Tax Statute. Paragraph D

The said tax shall be computed upon the remainder of said net income of each person subject thereto, accruing during each preceding calendar year ending December thirty-first:

Provided, However, That for the year ending December thirty-first, nineteen hundred and thirteen, said tax shall be computed on the net income accruing from March first to December thirty-first, nineteen hundred and thirteen, both dates inclusive, after deducting five-sixths only of the specific exemptions and deductions herein provided for.

On or before the first day of March, nineteen hundred and fourteen, and the first day of March in each year thereafter, a true and accurate return, under oath or affirmation, shall be made by each person of lawful age, except as hereinafter provided, subject to the tax imposed by this section, and having a net income of $3,000 or over for the taxable year, to the collector of internal revenue for the district in which such person resides or has his principal place of business, or, in the case of a person residing in a foreign country, in the place where his principal business is carried on within the United States, in such form as the Commissioner of Internal Revenue, with the approval of the Secretary of the Treasury, shall prescribe, setting forth specifically the gross amount of income from all separate sources and from the total thereof, deducting the aggregate items or expenses and allowance herein authorized; guardians, trustees, executors, administrators, agents, receivers, conservators, and all persons, corporations, or associations acting in any fiduciary capacity, shall make and render a return of the net income of the person for whom they act, subject to this tax, coming into their custody or control and management, and be subject to all the provisions of this section which apply to individuals:

Provided, That a return made by one of two or more joint guardians, trustees, executors, administrators, agents, receivers, and conservators, or other persons acting in a fiduciary capacity, filed in the district where such person resides, or in the district where the will or other instrument under which he acts is recorded, under such regulations as the Secretary of the Treasury may prescribe, shall be a sufficient compliance with the requirements of this paragraph; and also all persons, firms, companies, copartnerships, corporations, joint-stock companies or associations, and insurance companies, except as hereinafter provided, in whatever capacity acting, having the control, receipt, disposal, or payment of fixed or determinable annual or periodical gains, profits, and income of another person subject to tax, shall in behalf of such person deduct and withhold from the payment an amount equivalent to the normal income tax upon the same and make and render a return, as aforesaid, but separate and distinct, of the portion of the income of each person from which the normal tax has been thus withheld, and containing also the name and address of such person, or stating that the name and address or the address, as the case may be, are unknown:

Provided, That the provision requiring the normal tax of individuals to be withheld at the source of the income, shall not be construed to require any of such tax to be withheld prior to the first day of November, nineteen hundred and thirteen:

Provided, Further, That in either case above mentioned no return of income not exceeding $3,000 shall be required:

Provided, Further, That any persons carrying on business in partnership shall be liable for income tax only in their individual capacity, and the share of the profits of a partnership to which any taxable partner would be entitled if the same were divided whether divided or otherwise, shall be returned for valuation and the tax paid under the Provisions of this section, and any such firm, when requested by the Commissioner of Internal Revenue, or any district collector, shall forward to him a correct statement of such profits and the names of the individuals who would be entitled to the same, if distributed:

Provided, Further, that persons liable for the normal income tax only, on their own account or in behalf of another, shall not be required to make return of the income derived from dividends on the capital stock or from the net earnings of corporations, joint-stock companies or associations, and insurance companies taxable upon their net income as hereinafter provided.

Any person for whom return has been made and the tax paid, or to be paid as aforesaid, shall not be required to make a return unless such person has other net income, but only one deduction of $3,000 shall be made in the case of any such person.

The collector or deputy collector shall require every list to be verified by the oath or affirmation of the party rendering it. If the collector or deputy collector have reason to believe that the amount of any income returned is understated, he shall give due notice to the person making the return to show cause why the amount of the return should not be increased, and upon proof of the amount understated may increase the same accordingly. If dissatisfied with the decision of the collector, such person may submit the case, with all the papers, to the Commissioner of Internal Revenue for his decision, and may furnish sworn testimony of witnesses to prove any relevant facts.