20 C.F.R. § 404.1033 Work for a wholly owned instrumentality of a foreign government.
Title 20 - Employees' Benefits
(a) If you work as an employee of an instrumentality of a foreign government, your work is excluded from employment if— (1) The instrumentality is wholly owned by the foreign government; (2) Your work is similar to work performed in foreign countries by employees of the United States Government or its instrumentalities; and (3) The Secretary of State certifies to the Secretary of the Treasury that the foreign government grants an equivalent exemption for services performed in the foreign country by employees of the United States Government or its instrumentalities. (b) Your work will not be excluded under this section if any of the conditions in paragraph (a) of this section are not met. (c) If you are a citizen of the United States and work in the United States as an employee of an instrumentality of a foreign government and the conditions in paragraph (a) of this section are met, you are considered to be self-employed (§404.1068(d)).
Title 20: Employees' Benefits
PART 404—FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950– )
Subpart K—Employment, Wages, Self-Employment, and Self-Employment Income
Work Excluded From Employment
§ 404.1033 Work for a wholly owned instrumentality of a foreign government.