Pub. L. 110-81, tit. V, subtit. D, sec. 541
BAN ON GIFTS FROM REGISTERED LOBBYISTS AND ENTITIES THAT HIRE REGISTERED LOBBYISTS.
SEC. 541. BAN ON GIFTS FROM REGISTERED LOBBYISTS AND ENTITIES THAT HIRE REGISTERED LOBBYISTS. Paragraph 1(a)(2) of rule XXXV of the Standing Rules of the Senate is amended by—(1) inserting “(A)” after “(2)”; and(2) adding at the end the following:121 STAT. 767 “(B) A Member, officer, or employee may not knowingly accept a gift from a registered lobbyist, an agent of a foreign principal, or a private entity that retains or employs a registered lobbyist or an agent of a foreign principal, except as provided in subparagraphs (c) and (d).”.