26 USC 861 - Income from sources within the United States
The following items of gross income shall be treated as income from sources within the United States:
Interest from the United States or the District of Columbia, and interest on bonds, notes, or other interest-bearing obligations of noncorporate residents or domestic corporations not including
The amount received as dividends
In the case of any dividend from a 20-percent owned corporation (as defined in section 243 (c)(2)), subparagraph (B) shall be applied by substituting 100/80th for 100/70th.
Compensation for labor or personal services performed in the United States; except that compensation for labor or services performed in the United States shall not be deemed to be income from sources within the United States if
In addition, compensation for labor or services performed in the United States shall not be deemed to be income from sources within the United States if the labor or services are performed by a nonresident alien individual in connection with the individuals temporary presence in the United States as a regular member of the crew of a foreign vessel engaged in transportation between the United States and a foreign country or a possession of the United States.
Rentals or royalties from property located in the United States or from any interest in such property, including rentals or royalties for the use of or for the privilege of using in the United States patents, copyrights, secret processes and formulas, good will, trade-marks, trade brands, franchises, and other like property.
Gains, profits, and income from the disposition of a United States real property interest (as defined in section 897 (c)).
Gains, profits, and income derived from the purchase of inventory property (within the meaning of section 865 (i)(1)) without the United States (other than within a possession of the United States) and its sale or exchange within the United States.
From the items of gross income specified in subsection (a) as being income from sources within the United States there shall be deducted the expenses, losses, and other deductions properly apportioned or allocated thereto and a ratable part of any expenses, losses, or other deductions which cannot definitely be allocated to some item or class of gross income. The remainder, if any, shall be included in full as taxable income from sources within the United States. In the case of an individual who does not itemize deductions, an amount equal to the standard deduction shall be considered a deduction which cannot definitely be allocated to some item or class of gross income.
An individual or corporation meets the 80-percent foreign business requirements of this paragraph if it is shown to the satisfaction of the Secretary that at least 80 percent of the gross income from all sources of such individual or corporation for the testing period is active foreign business income.
For purposes of subparagraph (A), the term active foreign business income means gross income which
For purposes of this subparagraph, the term subsidiary means any corporation in which the corporation referred to in this subparagraph owns (directly or indirectly) stock meeting the requirements of section 1504 (a)(2) (determined by substituting 50 percent for 80 percent each place it appears).
For purposes of this subsection, the term testing period means the 3-year period ending with the close of the taxable year of the individual or corporation preceding the payment (or such part of such period as may be applicable). If the individual or corporation has no gross income for such 3-year period (or part thereof), the testing period shall be the taxable year in which the payment is made.
In the case of interest received by a related person from a resident alien individual or domestic corporation meeting the 80-percent foreign business requirements of paragraph (1), subsection (a)(1)(A) shall apply only to a percentage of such interest equal to the percentage which
For purposes of this paragraph, the term related person has the meaning given such term by section 954 (d)(3), except that
For purposes of subsection (a)(2)(B), if the foreign corporation has no gross income from any source for the 3-year period (or part thereof) specified, the requirements of such subsection shall be applied with respect to the taxable year of such corporation in which the payment of the dividend is made.
For purposes of subsection (a) and section 862 (a), if
all amounts includible in gross income by the taxpayer with respect to such railroad rolling stock (including gain from sale or other disposition of such railroad rolling stock) shall be treated as income from sources within the United States. The requirements of subparagraph (B) of the preceding sentence shall be treated as satisfied if the only expected use outside the United States is use by a person (whether or not a United States person) in Canada or Mexico on a temporary basis which is not expected to exceed a total of 90 days in any taxable year.
Paragraph (1) shall not apply to a lease between two members of the same controlled group of corporations (as defined in section 1563) if any member of such group is a domestic common carrier by railroad or a switching or terminal company all of whose stock is owned by one or more domestic common carriers by railroad.
No credit shall be allowed under section 901 for any payments to foreign countries with respect to any amount received by the taxpayer with respect to railroad rolling stock which is subject to paragraph (1).