United States Code
USC most recently checked for updates: May 13, 2025
For purposes of this chapter, if the services performed during one-half or more of any pay period by an employee for the person employing him constitute employment, all the services of such employee for such period shall be deemed to be employment; but if the services performed during more than one-half of any such pay period by an employee for the person employing him do not constitute employment, then none of the services of such employee for such period shall be deemed to be employment. As used in this subsection, the term “pay period” means a period (of not more than 31 consecutive days) for which a payment of remuneration is ordinarily made to the employee by the person employing him. This subsection shall not be applicable with respect to services performed in a pay period by an employee for the person employing him, where any of such service is excepted by subsection (b)(9).
The term “State” includes the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, Guam, and American Samoa.
The term “United States” when used in a geographical sense includes the Commonwealth of Puerto Rico, the Virgin Islands, Guam, and American Samoa.
For purposes of this chapter, the term “American vessel” means any vessel documented or numbered under the laws of the United States; and includes any vessel which is neither documented or numbered under the laws of the United States nor documented under the laws of any foreign country, if its crew is employed solely by one or more citizens or residents of the United States or corporations organized under the laws of the United States or of any State; and the term “American aircraft” means an aircraft registered under the laws of the United States.
For purposes of this chapter, in the case of domestic service described in subsection (a)(7)(B), any payment of cash remuneration for such service which is more or less than a whole-dollar amount shall, under such conditions and to such extent as may be prescribed by regulations made under this chapter, be computed to the nearest dollar. For the purpose of the computation to the nearest dollar, the payment of a fractional part of a dollar shall be disregarded unless it amounts to one-half dollar or more, in which case it shall be increased to $1. The amount of any payment of cash remuneration so computed to the nearest dollar shall, in lieu of the amount actually paid, be deemed to constitute the amount of cash remuneration for purposes of subsection (a)(7)(B).
For purposes of this chapter, in the case of an individual performing service, as a member of a uniformed service, to which the provisions of subsection (m)(1) are applicable, the term “wages” shall, subject to the provisions of subsection (a)(1) of this section, include as such individual’s remuneration for such service only (A) his basic pay as described in chapter 3 and section 1009 of title 37, United States Code, in the case of an individual performing service to which subparagraph (A) of such subsection (m)(1) applies, or (B) his compensation for such service as determined under section 206(a) of title 37, United States Code, in the case of an individual performing service to which subparagraph (B) of such subsection (m)(1) applies.
For purposes of this chapter, in the case of an individual performing service, as a volunteer or volunteer leader within the meaning of the Peace Corps Act, to which the provisions of section 3121(p) are applicable, the term “wages” shall, subject to the provisions of subsection (a)(1) of this section, include as such individual’s remuneration for such service only amounts paid pursuant to section 5(c) or 6(1) of the Peace Corps Act.
For purposes of this chapter, in any case where an individual is a member of a religious order (as defined in subsection (r)(2)) performing service in the exercise of duties required by such order, and an election of coverage under subsection (r) is in effect with respect to such order or with respect to the autonomous subdivision thereof to which such member belongs, the term “wages” shall, subject to the provisions of subsection (a)(1), include as such individual’s remuneration for such service the fair market value of any board, lodging, clothing, and other perquisites furnished to such member by such order or subdivision thereof or by any other person or organization pursuant to an agreement with such order or subdivision, except that the amount included as such individual’s remuneration under this paragraph shall not be less than $100 a month.
For purposes of this chapter, in the case of an individual performing service under the provisions of section 294 of title 28, United States Code (relating to assignment of retired justices and judges to active duty), the term “wages” shall not include any payment under section 371(b) of such title 28 which is received during the period of such service.
Except as provided in paragraph (2), all service performed in the employ of a State or political subdivision in connection with its operation of a public transportation system shall constitute covered transportation service if any part of the transportation system was acquired from private ownership after 1936 and prior to 1951.
All service performed in the employ of a State or political subdivision thereof in connection with its operation of a public transportation system shall constitute covered transportation service if the transportation system was not operated by the State or political subdivision prior to 1951 and, at the time of its first acquisition (after 1950) from private ownership of any part of its transportation system, the State or political subdivision did not have a general retirement system covering substantially all service performed in connection with the operation of the transportation system.
An agreement entered into pursuant to paragraph (1) shall be in effect for the period beginning with the first day of the calendar quarter in which such agreement is entered into or the first day of the succeeding calendar quarter, as may be specified in the agreement; except that in case such agreement is amended to include the services performed for any other affiliate and such amendment is executed after the first month following the first calendar quarter for which the agreement is in effect, the agreement shall be in effect with respect to service performed for such other affiliate only after the calendar quarter in which such amendment is executed. Notwithstanding any other provision of this subsection, the period for which any such agreement is effective with respect to any foreign entity shall terminate at the end of any calendar quarter in which the foreign entity, at any time in such quarter, ceases to be a foreign affiliate as defined in paragraph (6).
No agreement under this subsection may be terminated, either in its entirety or with respect to any foreign affiliate, on or after
A foreign affiliate of an American employer is any foreign entity in which such American employer has not less than a 10-percent interest.
Each American employer which enters into an agreement pursuant to paragraph (1) of this subsection shall, for purposes of this subsection and section 6413(c)(2)(C), relating to special refunds in the case of employees of certain foreign entities, be considered an employer in its capacity as a party to such agreement separate and distinct from its identity as a person employing individuals on its own account.
Regulations of the Secretary to carry out the purposes of this subsection shall be designed to make the requirements imposed on American employers with respect to services covered by an agreement entered into pursuant to this subsection the same, so far as practicable, as those imposed upon employers pursuant to this title with respect to the taxes imposed by this chapter.
The term “active duty” means “active duty” as described in paragraph (21) of section 101 of title 38, United States Code, except that it shall also include “active duty for training” as described in paragraph (22) of such section.
The term “inactive duty training” means “inactive duty training” as described in paragraph (23) of such section 101.
For purposes of this chapter, the term “crew leader” means an individual who furnishes individuals to perform agricultural labor for another person, if such individual pays (either on his own behalf or on behalf of such person) the individuals so furnished by him for the agricultural labor performed by them and if such individual has not entered into a written agreement with such person whereby such individual has been designated as an employee of such person; and such individuals furnished by the crew leader to perform agricultural labor for another person shall be deemed to be the employees of such crew leader. For purposes of this chapter and chapter 2, a crew leader shall, with respect to service performed in furnishing individuals to perform agricultural labor for another person and service performed as a member of the crew, be deemed not to be an employee of such other person.
For purposes of this chapter, the term “employment” shall, notwithstanding the provisions of subsection (b) of this section, include service performed by an individual as a volunteer or volunteer leader within the meaning of the Peace Corps Act.
For purposes of this chapter, tips received by an employee in the course of his employment shall be considered remuneration for such employment (and deemed to have been paid by the employer for purposes of subsections (a) and (b) of section 3111). Such remuneration shall be deemed to be paid at the time a written statement including such tips is furnished to the employer pursuant to section 6053(a) or (if no statement including such tips is so furnished) at the time received; except that, in determining the employer’s liability in connection with the taxes imposed by section 3111 with respect to such tips in any case where no statement including such tips was so furnished (or to the extent that the statement so furnished was inaccurate or incomplete), such remuneration shall be deemed for purposes of subtitle F to be paid on the date on which notice and demand for such taxes is made to the employer by the Secretary.
For purposes of this subsection, a member of a religious order means any individual who is subject to a vow of poverty as a member of such order and who performs tasks usually required (and to the extent usually required) of an active member of such order and who is not considered retired because of old age or total disability.
For purposes of sections 3102, 3111, and 3121(a)(1), if two or more related corporations concurrently employ the same individual and compensate such individual through a common paymaster which is one of such corporations, each such corporation shall be considered to have paid as remuneration to such individual only the amounts actually disbursed by it to such individual and shall not be considered to have paid as remuneration to such individual amounts actually disbursed to such individual by another of such corporations.
For purposes of the taxes imposed by sections 3101(b) and 3111(b), subsection (b) shall be applied without regard to paragraph (5) thereof.
Except as provided in subparagraphs (B) and (C), subsection (b) shall be applied without regard to paragraph (7) thereof.
Any amount taken into account as wages by reason of subparagraph (A) (and the income attributable thereto) shall not thereafter be treated as wages for purposes of this chapter.
For purposes of this paragraph, the term “nonqualified deferred compensation plan” means any plan or other arrangement for deferral of compensation other than a plan described in subsection (a)(5).
Any church or qualified church-controlled organization (as defined in paragraph (3)) may make an election within the time period described in paragraph (2), in accordance with such procedures as the Secretary determines to be appropriate, that services performed in the employ of such church or organization shall be excluded from employment for purposes of title II of the Social Security Act and this chapter. An election may be made under this subsection only if the church or qualified church-controlled organization states that such church or organization is opposed for religious reasons to the payment of the tax imposed under section 3111.
An election under this subsection must be made prior to the first date, more than 90 days after
For purposes of subsection (a)(7)(B), the term “applicable dollar threshold” means $1,000. In the case of calendar years after 1995, the Commissioner of Social Security shall adjust such $1,000 amount at the same time and in the same manner as under section 215(a)(1)(B)(ii) of the Social Security Act with respect to the amounts referred to in section 215(a)(1)(B)(i) of such Act, except that, for purposes of this paragraph, 1993 shall be substituted for the calendar year referred to in section 215(a)(1)(B)(ii)(II) of such Act. If any amount as adjusted under the preceding sentence is not a multiple of $100, such amount shall be rounded to the next lowest multiple of $100.
The term “Federal agency” means an agency, as defined in section 3581(1) of title 5, United States Code.
The term “international organization” has the meaning provided such term by section 3581(3) of title 5, United States Code.
If any employee of a foreign person is performing services in connection with a contract between the United States Government (or any instrumentality thereof) and any member of any domestically controlled group of entities which includes such foreign person, such foreign person shall be treated for purposes of this chapter as an American employer with respect to such services performed by such employee.
The term “domestically controlled group of entities” means a controlled group of entities the common parent of which is a domestic corporation.
In the case of a foreign person who is a member of any domestically controlled group of entities, the common parent of such group shall be jointly and severally liable for any tax under this chapter for which such foreign person is liable by reason of this subsection, and for any penalty imposed on such person by this title with respect to any failure to pay such tax or to file any return or statement with respect to such tax or wages subject to such tax. No deduction shall be allowed under this title for any liability imposed by the preceding sentence.
Paragraph (1) shall not apply to any services which are covered by an agreement under subsection (l).
Paragraph (1) shall not apply to any services if the employer establishes to the satisfaction of the Secretary that the remuneration paid by such employer for such services is subject to a tax imposed by a foreign country which is substantially equivalent to the taxes imposed by this chapter.
For relief from taxes in cases covered by certain international agreements, see sections 3101(c) and 3111(c).