The Internal Revenue Service (IRS) agency is the administrative unit of the Department of Treasury dealing with revenue collection and processing tax returns. Earlier, Internal Revenue Service was known as Bureau of Internal Revenue and is now considered as one of the world’s most efficient tax administrators. The IRS agency is supervised by IRS Commissioner, who along with the Chief Counsel are selected by the President of United States and confirmed by the Senate. The strategic goals of IRS are to improve taxpayer service, enhancing enforcement of the Tax law, and modernizing the IRS through its people, processes and technology.

The IRS is the not only a tax collection agency but also administers the Internal Revenue Code enacted by Congress. It provides excellent services to American tax payers by making them aware of their tax responsibilities. IRS aim is to apply the tax law with integrity and without any discrimination to all. Internal Revenue Service also assists the Tax Division attorneys and US attorneys in developing tax administration policies, handling civil trial and appellate litigation in federal and state courts; pursuing federal grand jury investigations; and handling criminal prosecutions and appeals.