The term “employment” means any service performed after 1936 and prior to 1951 which was employment for the purposes of this subchapter under the law applicable to the period in which such service was performed, and any service, of whatever nature, performed after 1950 (A) by an employee for the person employing him, irrespective of the citizenship or residence of either, (i) within the United States, or (ii) on or in connection with an American vessel or American aircraft under a contract of service which is entered into within the United States or during the performance of which and while the employee is employed on the vessel or aircraft it touches at a port in the United States, if the employee is employed on and in connection with such vessel or aircraft when outside the United States, or (B) outside the United States by a citizen or resident of the United States as an employee (i) of an American employer (as defined in subsection (e) of this section), or (ii) of a foreign affiliate (as defined in section 3121( l )(6) of the Internal Revenue Code of 1986) of an American employer during any period for which there is in effect an agreement, entered into pursuant to section 3121( l ) of such Code, with respect to such affiliate, or (C) if it is service, regardless of where or by whom performed, which is designated as employment or recognized as equivalent to employment under an agreement entered into under section 433 of this title ; except that, in the case of service performed after 1950, such term shall not include—


42 USC § 410(a)

Scoping language

for the purposes of this subchapter
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