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Chicago Office of Inspector General
Home > Publications > Audit of the Department of Finance’s Payment Timeliness

Audit of the Department of Finance’s Payment Timeliness

August 11, 2026

Summary

The City of Chicago Office of Inspector General (OIG) conducted an audit of the timeliness of the City’s payments to its contracted vendors.

Executive Summary

The objective of OIG’s audit was to determine whether the Department of Finance (DOF) ensures the City meets its 30-day payment goal by developing and measuring the effectiveness of City payment procedures.

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Audit of the Department of Finance’s Payment Timeliness - publication cover