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Audit Reports

Annual Audit Plans

Management Performance Challenges Facing IRS

Peer Review Reports
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Office of Audit (OA)

Audit Reports
Annual Audit Plans
Management Performance Challenges

Welcome to the Audit Homepage

Congress established the Treasury Inspector General for Tax Administration (TIGTA) in 1998 to provide independent oversight of IRS activities. Through its audit programs TIGTA promotes efficiency and effectiveness in the administration of internal revenue laws. TIGTA is dedicated to the prevention and detection of fraud, waste, and abuse affecting tax administration.


TIGTA's Audit Reports review and recommend improvements on all aspects of the IRS's administration of the tax system.
View the Audit Reports here.


TIGTA's Annual Audit Plans contain an overview of TIGTA's audit resources and brief descriptions of the audits TIGTA plans to start during the current fiscal year.
View the Annual Audit Plans here.


TIGTA's annual letters to the Secretary of the Treasury present TIGTA's views on the management and performance challenges facing the IRS in the current fiscal year.
View the Management Performance Challenges Facing IRS here.

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Last Updated: April 27, 2021
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