SR Rule XXXIII: Senate Chamber – Senate Wing of the Capitol SR Rule XXXIV: Public Financial Disclosure SR Rule XXXV: Gifts SR Rule XXXVI: Outside Earned Income SR Rule XXXVII: Conflict of Interest SR Rule XXXVIII: Prohibition of Unofficial Office Accounts SR Rule XXXIX: Foreign Travel SR Rule XL: Franking Privilege and Radio and Television Studios SR Rule XLI: Political Fund Activity; Definitions SR Rule XLII: Employment Practices SR Rule XLIII: Representation by Members SR Rule XLIV: Congressionally Directed Spending and Related Items The latest change was the introduction in 2006 of a 44th rule on earmarks, by the Legislative Transparency and Accountability Act. References External links Official text, Standing Rules of the Senate Standing Rules of the Senate, One Hundred Thirteenth Congress, November 4, 2013 (PDF format) Parliamentary procedure United States Senate