This chapter, referred to in subsecs. (a) and (c), was in the original “this Act”, meaning Pub. L. 87–195, Sept. 4, 1961, 75 Stat. 424, known as the Foreign Assistance Act of 1961. For complete classification of this Act to the Code, see Short Title note set out under section 2151 of this title and Tables.

1977—Subsec. (b). Pub. L. 95–88 struck out provisions under which service of an individual as an expert or consultant under subsec. (a) would not be considered employment as would bring a person under section 8344 of title 5, section 1112 of this title, and any other law limiting the reemployment of retired officers or employees or governing the simultaneous receipt of compensation and retired pay or annuities subject to section 5532 of title 5.

1976—Subsec. (a). Pub. L. 94–329 substituted “the daily equivalent of the highest rate which may be paid to an employee under the General Schedule established by section 5332 of title 5” for “$100 per diem”.

1967—Subsec. (a). Pub. L. 90–137, § 302(e)(1), substituted reference to section 3109 for former section 55a of title 5.

Subsec. (b). Pub. L. 90–137, § 302(e)(2), substituted references to sections 3323(a) and 8344 of title 5 for former section 2263 of title 5 and to section 5532 of title 5 for former section 3102 of title 5.

1965—Subsecs. (c), (d). Pub. L. 89–171 redesignated subsec. (d) as (c). Former subsec. (c) was repealed by Pub. L. 88–448, title IV, § 402(a)(35), Aug. 19, 1964, 78 Stat. 495.

1964—Subsec. (a). Pub. L. 88–633, § 302(b)(1), increased compensation limits from $75 to $100 per diem.

Subsec. (b). Pub. L. 88–448, § 401(e), struck out provisions which stated that service as an expert or consultant under subsection (a) of this section shall not be considered as employment or holding of office or position bringing such individual within the provisions of section 59a of title 5, and inserted “, subject to section 3102 of title 5”.

Subsec. (c). Pub. L. 88–448, § 402(a)(35), repealed subsec. (c) which related to compensation of retired officers.

Pub. L. 88–633, § 302(b)(2), substituted “section 101(3) of Title 37” for “Career Compensation Act of 1949, as amended,” in subsec. (c) subsequent to the repeal of such subsection by Pub. L. 88–448.

1963—Subsec. (b). Pub. L. 88–205 substituted “Service of an individual as an expert or consultant under subsection (a) of this section shall not” for “Nor shall such service”, and struck out provisions exempting individuals serving under subsec. (a) of this section from coverage of sections 281, 283, or 284 of title 18, section 99 of title 5, or any Federal law imposing restrictions, requirements, or penalties in connection with claims or matters involving the U.S. Government, except insofar as such provisions prohibited such individuals from receiving compensation in respect of any matter in which such individual was directly involved in the performance of such service.

Amendment by Pub. L. 88–448 effective on first day of first month which begins later than the ninetieth day following Aug. 19, 1964, see Pub. L. 88–448, title IV, § 403(a), Aug. 19, 1964, 78 Stat. 496.

References in laws to the rates of pay for GS–16, 17, or 18, or to maximum rates of pay under the General Schedule, to be considered references to rates payable under specified sections of Title 5, Government Organization and Employees, see section 529 [title I, § 101(c)(1)] of Pub. L. 101–509, set out in a note under section 5376 of Title 5.