Section, Pub. L. 98-63, title I, Sec. 908(a)-(c), July 30, 1983, 97 Stat. 337, 338; Pub. L. 99-190, Sec. 137, Dec. 19, 1985, 99 Stat. 1323; Pub. L. 101-194, title VI, Sec. 601(b)(2), title XI, Sec. 1101(b), Nov. 30, 1989, 103 Stat. 1762, 1782; Pub. L. 101-280, Sec. 7(b)(2)((d)(2)), May 4, 1990, 104 Stat. 161, related to maximum amount of honoraria which could be accepted by Members of Congress