Agency overview Formed July 9, 1953 Preceding Agency Bureau of Internal Revenue Jurisdiction Federal government of the United States Headquarters Washington, D.C. Employees 86,585 (2006) Agency Executive Commissioner of Internal Revenue, Douglas H. Shulman Parent agency Department of the Treasury Website www.irs.gov Taxation in the United States This article is part of the series: Politics and government of the United States Federal taxation Authority  ·   History Internal Revenue Service Court  ·   Forms  ·   Code Income tax  ·   Payroll tax Alternative Minimum Tax Estate tax  ·   Excise tax Gift tax  ·   Corporate tax Capital gains tax State & local taxation State income tax Sales tax  ·   Use tax Property tax State tax levels Federal tax reform  · Competitive Tax Plan  · Efficient Taxation of Income  · Real Property Use Tax  · Taxpayer Choice Act  · USA Tax  · Value Added Tax FairTax  ·   Flat tax Tax protester arguments  · Tax protester  · Tax protester history  · America: Freedom to Fascism  · The Law that Never Was  · Cheek v. United States Notable tax protesters  · Irwin Schiff  · Richard Michael Simkanin  · Robert Clarkson  · Tom Cryer  · Vivien Kellems  · Wayne C. Bentson  · Wesley Snipes  · William J. Benson Constitutional Statutory  ·   Conspiracy Taxation by country

Australia

British Virgin Islands

Canada

China

Colombia

France

Germany

Hong Kong

India

Indonesia

Ireland

Netherlands

New Zealand

Peru

Russia

Singapore

Tanzania

United Kingdom

United States

European Union  v ? d ? e  Tax rates around the world Tax revenue as % of GDP Part of the Taxation series  view ? talk ? edit  The Internal Revenue Service (IRS) is the United States federal government agency that collects taxes and enforces the internal revenue laws. The official U.S. Treasury regulations provide (in part): The Internal Revenue Service is a bureau of the Department of the Treasury under the immediate direction of the Commissioner of Internal Revenue. The Commissioner has general superintendence of the assessment and collection of all taxes imposed by any law providing internal revenue. The Internal Revenue Service is the agency by which these functions are performed. ? 26 C.F.R. section 601.101(a).