United States Code
USC most recently checked for updates: Feb 16, 2025
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 thirty-one 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 paragraph (9) of subsection (a).
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.
The term “American aircraft” means an aircraft registered under the laws of the United States.
The term “farm” includes stock, dairy, poultry, fruit, fur-bearing animal, and truck farms, plantations, ranches, nurseries, ranges, greenhouses or other similar structures used primarily for the raising of agricultural or horticultural commodities, and orchards.
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 means the States, the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, Guam, and American Samoa.
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. A crew leader shall, with respect to services 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.
The term “employment” shall, notwithstanding the provisions of subsection (a), include service performed by an individual as a volunteer or volunteer leader within the meaning of the Peace Corps Act [22 U.S.C. 2501 et seq.].
Notwithstanding any other provision of this subchapter, the rules of section 3508 of the Internal Revenue Code of 1986 shall apply for purposes of this subchapter.