In general
For purposes of this chapter, service performed in the employ of an international organization by an individual pursuant to a transfer of such individual to such international organization pursuant to section 3582 of title 5 , United States Code, shall constitute “employment” if—
(A) immediately before such transfer, such individual performed service with a Federal agency which constituted “employment” under subsection (b) for purposes of the taxes imposed by sections 3101(a) and 3111(a), and
(B) such individual would be entitled, upon separation from such international organization and proper application, to reemployment with such Federal agency under such section 3582.