"The legislative branch appropriations bill provides funding for the Senate; House of Representatives; Joint Items; Capitol Police; Office of Compliance; Congressional Budget Office; Architect of the Capitol, including the Capitol Visitor Center; Library of Congress, including the Congressional Research Service; Government Printing Office; Government Accountability Office; and Open World Leadership Program. […] Previously, the FY2010 Legislative Branch Appropriations Act provided $4.656 billion for FY2010 legislative branch operations, and the FY2009 Omnibus Appropriations Act provided $4.4 billion. In FY2009, an additional $25 million was provided for the Government Accountability Office (GAO) in the American Recovery and Reinvestment Act of 2009.4 P.L. 111-32, the FY2009 Supplemental Appropriations Act, also contained funding for the police radio system ($71.6 million) and Congressional Budget Office ($2 million). […] The Department of Defense and Full-Year Continuing Appropriations Act, 2011 (P.L. 112-10) provides $4.54 billion for legislative branch activities for FY2011. This act continues funding and language contained in the FY2010 Legislative Branch Appropriations Act (P.L. 111-68), unless otherwise specified, and includes an across-the-board rescission of 0.2%."
CRS Report for Congress, R41214