joint-stock company or association, or insurance company, received within the year from all sources, (first) all the ordinary and necessary expenses paid within the year in the maintenance and operation of its business and properties, including rentals or other payments required to be made as a condition to the continued use or possession of property; (second) all losses actually sustained within the year and not compensated by insurance or otherwise, including a reasonable allowance for depreciation by use, wear and tear of property, if any; and in the case of mines a reasonable allowance for depletion of ores and all other natural deposits, not to exceed 5 per centum of the gross value at the mine of the output for the year for which the computation is made; and in case of insurance companies the net addition, if any, required by law to be made within the year to reserve funds and the sums other than dividends paid within the year on policy and annuity contracts.

Mutual Fire Insurance Companies.

Provided, That mutual fire insurance companies requiring their members to make premium deposits to provide for losses and expenses shall not return as income any portion of the premium deposits returned to their policyholders, but shall return as taxable income all income received by them from all other sources plus such portions of the premium deposits as are retained by the companies for purposes other than the payment of losses and expenses and reinsurance reserves. Mutual Marine Insurance Companies, Life Insurance Companies.

Provided further, That mutual marine insurance companies shall include in their return of gross income gross premiums collected and received by them, less amounts paid for reinsurance, but shall be entitled to include in deductions from gross income amounts repaid to policyholders on account of premiums previously paid by them and interest paid upon such amounts between the ascertainment thereof and the payment thereof, and life insurance companies shall not

include as income in any year such portion of any actual premium received from any individual policyholder as shall have been paid back or credited to such individual policyholder, or treated as an abatement of premium of such individual policyholder, within such year; (third) the amount of interest accrued and paid within the year on its indebtedness to an amount of such indebtedness not exceeding onehalf of the sum of its interest-bearing indebtedness and its paid-up capital stock outstanding at the close of the year, or if no capital stock, the amount of interest paid within the year on an amount of its indebtedness not exceeding the amount of capital employed in the business at the close of the year: Provided, That in case of indebtedness wholly secured by collateral the subject of sale in ordinary business of such corporation, joint-stock company, or association, the total interest secured and paid by such company, corporation, or association within the year on any such indebtedness may be deducted as a part of its expense of doing business.

Bonds Issued with Guaranty That Interest Shall be Free from Taxation.

Provided further, That in the case of bonds or other indebtedness, which have been issued with a guaranty that the interest payable thereon shall be free from taxation, no deduction for the payment of the tax herein imposed shall be allowed.

Interest on Deposits May be Deducted from Gross Income.

And in the case of a bank, banking association, loan or trust company, interest paid within the year on deposits or on moneys received for investment and secured by interestbearing certificates of indebtedness issued by such bank, banking association, loan or trust company; (fourth) all sums paid by it within the year for taxes imposed under the authority of the United States or of any State or Territory thereof, or imposed by the Government of any foreign country.

Foreign Corporations, etc., Income from Business in United States.

Provided, That in the case of a corporation, joint-stock company or association, or insurance company, organized, authorized, or existing under the laws of any foreign country, such net income shall be ascertained by deducting from the gross amount of its income accrued within the year from business transacted and capital invested within the United States,

Ordinary Expenses, Rentals, etc.

First. All the ordinary and necessary expenses actually paid within the year out of earnings in the maintenance and operation of its business and property within the United States, including rentals or other payments required to be made as a condition to the continued use or possession of property.

Losses and Depreciation.

Second. All losses actually sustained within the year in business conducted by it within the United States and not compensated by insurance or otherwise, including a reasonable allowance for depreciation by use, wear and tear of property, if any, and in the case of mines a reasonable allowance for depletion of ores and all other natural deposits, not to exceed 5 per centum of the gross value at the mine of the output for the year for which the computation is made.

Reserve Funds of Insurance Companies.

And in case of insurance companies the net addition, if any, required by law to be made within the year to reserve funds and the sums other than dividends paid within the year on policy and annuity contracts.

Mutual Fire Insurance.

Provided further, That mutual fire insurance companies requiring their members to make premium deposits to provide for losses and expenses shall not return as income any portion of the premium deposits returned to their policyholders, but shall return as taxable income all income re

ceived by them from all other sources plus such portions of the premium deposits as are retained by the companies for purposes other than the payment of losses and expenses and reinsurance reserves.

Mutual Marine Insurance.

Provided further, That mutual marine insurance companies shall include in their return of gross income gross premiums collected and received by them less amounts paid for reinsurance, but shall be entitled to include in deductions from gross income amounts repaid to policyholders on account of premiums previously paid by them, and interest paid upon such amounts between the ascertainment thereof and the payment thereof and life insurance companies shall not include as income in any year such portion of any actual premium received from any individual policyholder as shall have been paid back or credited to such individual policyholder, or treated as an abatement of premium of such individual policyholder, within such year.

Interest Accruing and Paid During the Year on

Indebtedness.

Third. The amount of interest accrued and paid within the year on its indebtedness to an amount of such indebtedness not exceeding the proportion of one-half of the sum of its interest-bearing indebtedness and its paid-up capital stock outstanding at the close of the year, or, if no capital stock, the capital employed in the business at the close of the year which the gross amount of its income for the year from business transacted and capital invested within the United States bears to the gross amount of its income derived from all sources within and without the United States.

Bonds Whose Makers Have Agreed to Pay Interest Without Tax Deduction.

Provided, That in the case of bonds or other indebtedness which have been issued with a guaranty that the interest payable thereon shall be free from taxation, no deduction for the payment of the tax herein imposed shall be allowed.

Taxes.

Fourth. All sums paid by it within the year for taxes imposed under the authority of the United States or of any State or Territory thereof or the District of Columbia. In the case of assessment insurance companies, whether domestic or foreign, the actual deposit of sums with State or Territorial officers, pursuant to law, as additions to guarantee or reserve funds shall be treated as being payments required by law to reserve funds.

Tax to be Computed on Net Income Accruing Each

Calendar Year.

(c) The tax herein imposed shall be computed upon its entire net income accrued within 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 imposed upon its entire net income accrued within that portion of said year from March first to December thirty-first, both dates inclusive, to be ascertained by taking five-sixths of its entire net income for said calendar year.

But Fiscal Year Other Than Calendar May be Designated by Corporations.

Provided further, That any corporation, joint-stock company or association, or insurance company subject to this tax may designate the last day of any month in the year as the day of the closing of its fiscal year and shall be entitled to have the tax payable by it computed upon the basis of the net income ascertained as herein provided for the year ending on the day so designated in the year preceding the date of assessment instead of upon the basis of the net income for the calendar year preceding the date of assessment; and it shall give notice of the day it has thus designated as the closing of its fiscal year to the collector of the district in which its principal business office is located at any time not less than thirty days prior to the date upon which its annual return shall be filed.