Although Enterprise Case Management Modernization Has Begun, No Legacy Systems Have Been Decommissioned

Date Issued

Thursday, September 11, 2025

Submitting OIG

Treasury Inspector General for Tax Administration

Agencies Reviewed/Investigated

Internal Revenue Service

Report Number

2025-208-050

Report Type

Audit

Agency Wide

Yes

Number of Recommendations

Questioned Costs

Funds for Better Use

$39,058,495

Report updated under NDAA 5274

Open Recommendations

This report has 2 open recommendations.

Recommendation Number	Significant Recommendation	Recommended Questioned Costs	Recommended Funds for Better Use
1	No	$0	$39,058,495
The Chief Information Officer should ensure that the ECM Office prioritizes incorporating and decommissioning of the legacy case management systems.
2	No	$0	$0
The Chief Information Officer should ensure that all existing legacy case management systems, and any new projects incorporated into the ECM platform, comply with the April 2025 legacy definition.