See Table, p. 115, Budget of the U.S. Government: Fiscal Year 2011, Office of Management and Budget, Executive Office of the President of the United States (U.S. Gov't Printing Office, Washington, 2010), at Whitehouse.gov (PDF)
See 26 U.S.C.§ 6331. For case law on section 6331, see Brian v. Gugin, 853 F. Supp. 358, 94–1 U.S. Tax Cas. (CCH) paragr. 50,278 (D. Idaho 1994), aff'd, 95-1 U.S. Tax Cas. (CCH) paragr. 50,067 (9th Cir. 1995).
IR-2010-88, August 4, 2010, "IRS Realigns and Renames Large Business Division, Enhances Focus on International Tax Administration", Internal Revenue Service, at IRS.govArchived August 27, 2012, at the Wayback Machine
This article incorporates text from this source, which is in the public domain: "Office of Appeals". US Internal Revenue Service. Retrieved July 5, 2018.
IR-2010-88, August 4, 2010, "IRS Realigns and Renames Large Business Division, Enhances Focus on International Tax Administration", Internal Revenue Service, at IRS.govArchived August 27, 2012, at the Wayback Machine