1973—Pub. L. 93–191 substituted provision for nonapplication of section to “any standing, select, special, or joint committee, or subcommittee thereof, or commission, of the Senate, House of Representatives, or Congress, composed of Members of Congress, or to the Democratic caucus or the Republican conference of the House of Representatives or of the Senate” for such nonapplication to “any committee composed of Members of Congress”.

Amendment by Pub. L. 93–191 effective Dec. 18, 1973, see section 14 of Pub. L. 93–191, set out as a note under section 3210 of this title.

Section effective July 1, 1971, pursuant to Resolution No. 71–9 of the Board of Governors. See section 15(a) of Pub. L. 91–375, set out as a note preceding section 101 of this title.